# Mathematics Grade 9 Paper 2 Free State November 2022 Memo

> Grade 9 Mathematics Paper 2 memorandum from the Free State November Exam 2022, 17 pages. Read online or download the free PDF.

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- Updated: 2026-09-28
- Subject: Mathematics
- Grade: Grade 9
- Document type: Memorandum
- Year: 2022
- Exam period: Free State November Exam
- Paper: 2
- Curriculum: CAPS
- Pages: 17

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Mathematics · Grade 9 · Free State November Exam · 2022. Memorandum, 17 pages. Read online or download the PDF.

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### Page 1

NATIONAL
                       SENIOR CERTIFICATE
                           NASIONALE
                       SENIOR SERTIFIKAAT

                           GRADE/GRAAD 11

                   MATHEMATICS P2/WISKUNDE V2

                             NOVEMBER 2022
                             MEMORANDUM

MARKS/PUNTE: 150

                    This memorandum consists of 17 pages.
                   Hierdie memorandum bestaan uit 17 bladsye.

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### Page 2

Mathematics/P2/Wiskunde V2                           2                                      MST/November 2022
                                   CAPS/KABV – Grade/Graad 11 – Memorandum

NOTE:
• If a candidate answered a question TWICE, mark only the FIRST attempt.
• If a candidate crossed out an answer and did not redo it, mark the crossed-out answer.
• Consistent accuracy applies to ALL aspects of the marking memorandum.
• Assuming values/answers in order to solve a problem is unacceptable.

LET WEL:
• As 'n kandidaat 'n vraag TWEE keer beantwoord het, sien slegs die EERSTE poging na.
• As 'n kandidaat 'n antwoord deurgehaal en nie oorgedoen het nie, sien die deurgehaalde
   antwoord na.
• Volgehoue akkuraatheid is op ALLE aspekte van die memorandum van toepassing.
• Dit is onaanvaarbaar om waardes/antwoorde aan te neem om 'n probleem op te los.

QUESTION/VRAAG 1

              56         68        69     71     71      72          82     84      85
              88         89        90     92     93      94          96     97      99
              102     103          127    128    134     135         137    144    156

 1.1 Range/Omvang = 156 – 56                                                              max – min
                  = 100 kg                                                                answer/antw
                                                                                                             (2)
 1.2 Mode/Modus = 71 kg                                                                   answer/antw
                                                                                                             (1)
 1.3 Median/Mediaan = T14 = 93 kg                                                         answer/antw       (1)
 1.4 Q 1 = T 7 = 82                                                                       Q 1 = 82
     Q 3 = T 21 = 127                                                                     Q 3 = 127
     IQR = Q 3 – Q 1
          = 127 – 82
          = 45 kg                                                                         answer/antw
                                                                                                             (3)
 1.5
                                                                                          box/mond
                                                                                          whiskers/snor

        50    60    70        80     90   100   110    120     130    140   150   160
                                                                                                             (2)
 1.6 SD = 25,838 ≈ 25,84 kg                                                               answer/antw
                                                                                                             (2)
 1.7   x = 98,59                                                                          x = 98,59
       x + 1σ = 98,59 + 25,84
               = 124,43 kg                                                                124,43
       127 > 124,43
       ∴ I agree with this person/Ek stem met die persoon saam.                           conclusion/
                                                                                           gevolgtrekking
                                                                                                             (3)
                                                                                                            [14]

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### Page 3

Mathematics/P2/Wiskunde V2                                                                3                                              MST/November 2022
                                                                        CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 2

                                                             WEIGHT LOSS
                                                             OVER 4 WEEKS                    FREQUENCY                    CUMULATIVE
                                                            GEWIGSVERLIES                    FREKWENSIE                   KUMULATIEWE
                                                                IN 4 WEKE                        f                             f
                                                           (IN GRAMS/GRAM)
                                                             1 000 < x ≤ 1 500                        2                             2
                                                             1 500 < x ≤ 2 000                        3                             5
                                                             2 000 < x ≤ 2 500                        3                             8
                                                             2 500 < x ≤ 3 000                        4                            12
                                                             3 000 < x ≤ 3 500                        5                            17
                                                             3 500 < x ≤ 4 000                        7                            24
                                                             4 000 < x ≤ 4 500                        2                            26
                                                             4 500 < x ≤ 5 000                        1                            27

 2.1                                                                     1250 × 2 + 1750 × 3 + .... + 4750 × 1
       Average/Gemiddelde =
                                                                                          27
                                                                         81250
                                                                       =
                                                                           27                                                                81 250
                                                                       = 3009,259 ≈ 3009,26 g                                                answer/antw
                                                                                                                                                       (2)
 2.2
                                                                             OGIVE/OGIEF                                                     grounded
                                                      28
                                                                                                                                             upper limits
                                                                                                                                             cumulative

        Cumulative Frequency/Kumulatiewe frekwensie
                                                      26
                                                                                                                                              frequency
                                                      24
                                                                                                                                             smooth
                                                      22                                                                                      curve
                                                      20
                                                      18
                                                      16
                                                      14                                                                                     geanker
                                                      12                                                                                     boonste
                                                      10                                                                                      limiete
                                                      8
                                                                                                                                             kumulatiewe
                                                                                                                                              frekwensie
                                                      6
                                                                                                                                             gladde
                                                      4
                                                                                                                                              kurwe
                                                      2
                                                      0
                                                           0   500   1000    1500   2000   2500   3000    3500     4000   4500   5000
                                                                            Weight loss (in grams) over 4 weeks/
                                                                             Gewigsverlies (in gram) in 4 weke                                             (4)
 2.3 (3200 ; 14)                                                                                                                             14
     27 – 14 = 13 participants/deelnemers (accept/aanvaar: 12 – 14)                                                                          13
                                                                                                                                                           (2)
                                                                                                                                                           [8]

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### Page 4

Mathematics/P2/Wiskunde V2                                4                                 MST/November 2022
                                        CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 3

                                                      y
                                                                                                        C(10 ; 11)

                                                      F
                                                      α
                               A(–2 ; 3)

                                                                                                                    x
        G                                         O
                                                                         D(5 ; –1)

                                                                E

  3.1                    11 − 3                                                        subst into/in
            m        =                                                                  gradient form/
                AC     10 − (−2)
                                                                                        gradiëntvorm
                        8 2                                                            answer/antw
                     =    =
                       12 3
                                                                                                              (2)
  3.2                        2
            m        =m        =    [DE | | CA]                                        gradients equal/
                DE        AC 3
            y − y1 = m( x − x1 )             y = mx + c                                 gradiënte gelyk
                       2                           2
            y − (−1) = ( x − 5)              − 1 = (5) + c                             subst m &
                       3                           3                                    (5 ; –1) into eq
                 2    13                           13                                   of straight line/
            y = x−               OR/OF           −     =c
                 3     3                            3                                   in vgl v rt lyn
                                                     2    13                           equation/vgl
                                                y = x−
                                                     3     3
                                                                                                              (3)
  3.3                               2                                                  tan FĜO = m
            tan FĜO = mAC =                                                                             AC
                                    3                                                  33,69°
           FĜO = 33,69°
        ∴ α = 90° + 33,69°                 [ext/buite ∠ of ∆]
            = 123,69°°                                                                 answer/antw
                                                                                                              (3)

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### Page 5

Mathematics/P2/Wiskunde V2                      5                                 MST/November 2022
                              CAPS/KABV – Grade/Graad 11 – Memorandum

 3.4.1 midpoint of BE = midpoint of AD [diagonals of rectangle]             R
       midpt v BE = midpt v AD [hoeklyne van reghoek]
          − 2 + 5 3 + (−1) 
       M         ;                                                         x-value/waarde
          2          2 
           3                                                               y-value/waarde
       = M  ; 1
           2                                                                                     (3)
 3.4.2 BE = AD          [diagonals of rect /hoeklyne van regh]              R
        BE =    (−2 − 5) 2 + (3 − (−1)) 2                                    subst into distance
            =   49 + 16                                                       formula/subst in
            =   65 units/eenh                                                 afstandsformule
                                                                             answer/antw
                                                                                                (3)
                                                                                              [14]

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### Page 6

Mathematics/P2/Wiskunde V2                      6                                 MST/November 2022
                              CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 4

                                               y
                                           P
                                                            R
                                                                                                  x
                                           O                        S

                                        2
                                 T0 ;− 5 
                                        3

  4.1   x + ay – a = 0
        0 + ay – a = 0                                                      x=0
             y=1                                                            y=1
        ∴ P(0 ; 1)                                                                                    (2)
                                     OR/OF
        x + ay – a = 0
               x
         y = − +1                                                           x=0
              a
        ∴ P(0 ; 1)                                                          y=1
                                                                                                      (2)
  4.2   OP = 1 unit/eenh
        ∴ SP = 3 units/eenh
        ∴ S(3 ; 0)                                                           S(3 ; 0)
        3 + a(0) – a = 0
        ∴a=3                                                                 answer/antw
                                     OR/OF                                                            (2)
                   PO    1
         mPS = −      =−                                                                   1
                   OS    3                                                   m      =−
                                                                                  PS       3
           1
         y=− x +1
           a
         1   1
        − =−
         a   3
        ∴a=3                                                                 answer/antw
                                                                                                      (2)

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### Page 7

Mathematics/P2/Wiskunde V2                        7                                 MST/November 2022
                                CAPS/KABV – Grade/Graad 11 – Memorandum

  4.3               PO      1                                                               1
         mPS = −        =−                                                     mPS = −
                     OS     3                                                               3
         m        ×m    = −1    (RT ⊥ PS)
             PS      TR
                                                                               mTR = 3
        ∴ mTR = 3
                          2                                                    equation/vgl
        ∴ y = 3x – 5
                          3                                                                          (3)
  4.4                                  2
        x + 3y = 3 and/en y = 3x – 5
                                       3
                    2
        x + 3(3x – 5  )=3                                                      subst of eq of TR
                    3
                                                                                into/subst v vgl v
          x + 9x – 17 = 3
                                                                                TR in x + 3y = 3
                10x = 20
                                                                               simplify/vereenv
                   x =2
                      2   1                                                   x=2
        ∴ y = 3(2) – 5 =
                      3   3
                                                                                      1
                 1                                                            y=
        ∴ R(2 ; )                                                                     3
                 3
                                                                                                     (4)
  4.5                               1
         Area of/Opp van ΔPRT =       PT× ⊥ h
                                    2                                           2
                                                                              6
                                    1 2                                         3
                                   = (6 )(2)                                  ⊥h
                                    2 3
                                      2
                                   =6    sq units/vk eenh                      answer/antw
                                      3                                                              (3)
  4.6   PT is the diameter of the circle
        passing through P, R and T. [PT subtends 90° at circumference]         S/R
        PT is die middellyn vd sirkel
        wat deur P, R en T gaan.       [PT onderspan 90° op omtrek]
            1     2
        r = ×6
            2     3
             1
         =3                                                                    answer/antw (2)
             3                                                                                [16]

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### Page 8

Mathematics/P2/Wiskunde V2                             8                                 MST/November 2022
                                     CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 5
                                                                    y
5.1

                                                        P(x ; 24)

                                                            •T
                                                           25

                                                                    β
                                                                               •        x
                                                                    O          R

 5.1.1           2    2
                 x +y =r
                             2

             2        2          2
            x + (24) = 25                                                           subst
                      2
                     x = 49
                      x = −7                                                        answer/antw
                                                                                                          (2)
 5.1.2(a)           24                                                              answer/antw
            sin β =
                    25                                                                                    (1)
 5.1.2(b)   cos(180° − β )
            = − cos β                                                               reduction/reduksie
                   7
            = −( − )
                  25
               7
            =
              25                                                                    answer/antw
                                                                                                          (2)
 5.1.2(c)   tan(− β )
            = − tan β                                                               reduction/reduksie
                  24
            = −( )
                 −7
               24                                                                   answer/antw
            =
               7                                                                                          (2)
 5.1.3               24 y T
            sin β =      =                                                          equating ratios/
                     25 15
                                                                                     stel verh's gelyk
                        2
            ∴ y T = 14                                                              y
                        5                                                                T

                        7   x
            cos β = −      = T                                                      equating ratios/
                       25 15                                                         stel verh's gelyk
                        1
            ∴ xT = −4
                        5                                                           x
                                                                                         T
                      1     2
            ∴ T( − 4 ; 14 )
                      5     5                                                                             (4)

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### Page 9

Mathematics/P2/Wiskunde V2                            9                                 MST/November 2022
                                    CAPS/KABV – Grade/Graad 11 – Memorandum

 5.2                               sin 2 x
            2 sin x. cos x.(1 +            )                                                   sin x
                                   cos 2 x                                         tan x =
                       sin x                                                                   cos x
                       cos x
                                  cos 2 x + sin 2 x cos x
            = 2 sin x. cos x.(                     )×                              identity/identiteit
                                       cos 2 x        sin x
                             1
            = 2 cos 2 x(           )                                               simplify/vereenv
                           cos 2 x                                                 answer/antw
            =2                                                                                           (4)

                                               OR/OF

                                   sin 2 x                                                     sin x
            2 sin x. cos x.(1 +            )                                       tan x =
                                   cos 2 x                                                     cos x
                          sin x
                          cos x
                                   sin 2 x cos x
            = 2 sin x. cos x.(1 +         )×
                                   cos 2 x sin x
                             sin 2 x                                               simplify/vereenv
            = 2 cos 2 x(1 +          )
                             cos 2 x
            = 2(cos 2 x + sin 2 x)                                                 identity/identiteit
            =2                                                                     answer/antw
                                                                                                       (4)
  5.3.1     1 − cos 2 A
            4(−sinA)                                                               –sin A

               sin 2 A
            =
              − 4sinA                                                              identity/identiteit
                1
            = − sinA
                4                                                                  answer/antw
                                                                                                         (3)
  5.3.2      1                                                                     correct equation/
            − sin 2 x = 0,21                                                        korrekte vgl
             4
               sin 2 x = −0,84                                                     – 0,84
                                                                                   ref/verw ∠
           ref/verw ∠ = 57.14°                                                       = 57,14°
           ∴ 2x = 237,14° + k.360° or 2x = 302,86° + k.360°                        237,14° & 302,86°
              x = 118,57° + k.180° or x = 151,43° + k.180° ; k ∈ Z                 118,57° & 151,43°
                                                                                   k.180° ; k ∈ Z
                                                                                                    (6)
                                                                                                   [24]

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### Page 10

Mathematics/P2/Wiskunde V2                         10                                      MST/November 2022
                                 CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 6

                                                    y
                                            1
                             f                           f                         f

                                            2

                                                                                                    x
                –90°             –45°           0°            45°      90°              135°

                                           –1

                                           –2

 6.1.1 b = 2                                                                            answer/antw
                                                                                                            (1)
 6.1.2 45°< x ≤ 67,5° OR/OF x ∈ (45° ; 67,5°]                                           extreme values/
                                                                                         grenswaardes
                                                                                        notation/notasie
                                                                                                            (2)
 6.1.3 The graph of f has to shift 55° to the left to form the graph of h.              x = –10°
       Die grafiek f het 55° na links geskuif om grafiek h te vorm.                     x = 80°
       x = –10° and/en x = 80°                                                                              (2)
 6.2.1
                                             y
                                           1                                            TP(–90° ; 1)
                k
                                                                                        TP(90° ; -1)
                                                1
                                                2
                     g                                                                            1
                                                                                        (–150° ;    ) and/en
                                                                                                   2
                                                                                         (120° ; –0,87)
                                                                               x
           –150°         –90° –60°              0       30°         90° 120°            y-intercept/afsnit

                                            − 12

                                             –1

                                                                                                            (4)

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### Page 11

Mathematics/P2/Wiskunde V2                        11                                   MST/ November 2022
                                CAPS/KABV – Grade/Graad 11 – Memorandum

 6.2.2 min value/waarde = –1 – 3 = – 4                                            answer/antw
                                                                                                        (2)
 6.2.3   cos( x + 60°) = − sin x
                       = cos(90° + x)                                             co-ratio/ko-verh
                                                                                  correct equations
         x + 60° = −(90° + x)                 or x + 60° = 90° + x
                                                                                     korrekte vgls
             2 x = −150° + k .360°              no solution
               x = – 75° + k.180°                                                 x = –75° + k.180°
         ∴ x = –75° or/of 105°                                                    – 75°  105°
                                                                                                   (6)

         cos( x + 60°) = − sin x
                       = − cos(90° − x)                                           co-ratio/ko-verh
         x + 60° = 180° − (90° − x) or x + 60° = 180° + (90° − x)                 correct equations
               x = 90° + x + k .360°             2 x = 210° + k .360°                korrekte vgls
              no solution/geen oplossing           x = 105° + k.180°              x = 105° + k.180°
                                                                                  – 75°  105°
         ∴ x = –75° or 105°
                                                                                                    (6)
                                            OR/OF
                cos( x + 60°) = − sin x
                                                                                  co-ratio/ko-verh
         sin[90° − ( x + 60°)] = − sin x                                          correct equations
         150° – x = 180° + x           or    150° – x = 360° – x                     korrekte vgls  x
              –2x = 30° + k.360°                  no solution/geen oplossing     = – 15° – k.180°
                x = – 15° – k.180°                                                – 75°  105°
         ∴ x = –75° or 105°                                                                         (6)
 6.2.4 –75°< x < 105° OR/OF x ∈ (–75° ; 105°)                                     extreme values/
                                                                                   grenswaardes
                                                                                  notation/notasie
                                                                                                    (2)
 6.2.5   y = cos( x + 60°)
           = sin[90° − ( x + 60°)]                                                co-ratio/ko-verh
           = sin(30° − x)
           = − sin( x − 30°)
         ∴ θ = 30°                                                                answer/antw
                                     OR/OF                                                              (2)
         By inspections/Deur inspeksie: θ = 30°                                   answer/antw
                                                                                                        (2)
                                                                                                       [21]

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### Page 12

Mathematics/P2/Wiskunde V2                                12                                 MST/November 2022
                                        CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 7

                                                         P

                                            y                       2y

                                                                      θ

                                                    2y       T            R
                          Q

  7.1        2            2         2
         PQ = QR + PR − 2QR.PR. cos θ
            2        2        2
           y = (2 y ) + (2 y ) − 2(2 y )(2 y ). cos θ                                   subst into cosine
                          2     2           2                                            rule/in cos-reël
                     4y + 4y − y                                                        cos θ as subject/
         cos θ =
                       2(2 y )(2 y )                                                     as onderwerp
                          2
                     7y
                 =                                                                      simplify/vereenv
                          2
                   8y
                   7
                 =                                                                      answer/antw
                   8
                                                                                                              (4)
  7.2   PT ⊥ QR       [∠ in semi-circle/halfsirkel]                                    R
                PT PT                                                                   correct ratio/
        sin θ =    =
                PR 2 y                                                                   korrekte verh
        ∴ PT = 2y sin θ                                                                 answer/antw
                                                                                                              (3)
                                                OR/OF

        PT ⊥ QR               [∠ in semi-circle/halfsirkel]                            R
                          θ
         Q̂ = 90° –           [∠s opposite = sides/∠e to = sye]
                          2
                  θ    PT                                                               correct ratio/
         sin(90° − ) =
                  2     y                                                                korrekte verh
                                        θ                                               answer/antw
                      PT = y. cos                                                                              (3
                                        2
                                                                                                              [7]

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### Page 13

Mathematics/P2/Wiskunde V2                       13                                MST/November 2022
                               CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 8

          16

                                2,9

                     FIGURE 1                           FIGURE 2

  8.1   Surface area(SA) = 2πrh + πr2 + 2π r2                                 SA of tin/OA v blik
        Buite-opp        = 2πrh + 3πr2                                        SA of hemisphere/
                                                                               BO v hemisfeer
                             = 2π(2,9)(16) + 3π(2,9)2                         SA of base/
                             = 118,03π                                         BO v basis
                             = 370,80 cm2                                     subst
                                                                              answer/antw
                                                                                                (5)
  8.2                                           1 4 3
        Volume of hemisphere/v hemisfeer =       × πr                         V of hemisphere
                                                2 3
                                               1 4
                                             = × π(2,9) 3
                                               2 3
                                             = 16,26π
                                                                              subst
        80% of/van volume = 0,8 × 16,26π                                      answer/antw
                         = 40,86 cm3                                                                (3)
                                       OR/OF

                                                1 4 3                         vol of hemisphere/
        Volume of hemisphere/v hemisfeer =       × πr
                                                2 3                            vol van hemisfeer
                                      1 4 3
        80% of/van volume = 0,8 ×       × πr
                                      2 3
                                      1 4
                              = 0,8 × × π(2,9) 3                              subs
                                      2 3
                              = 40,86 cm3                                     answer/antw
                                                                                                    (3)
                                                                                                    [8]

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### Page 14

Mathematics/P2/Wiskunde V2                       14                                             MST/November 2022
                               CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 9

                                       L
                                               1
                                           2         58°                          K
                                                                         1
                                                                             2

                                                      O

                               N
                                                                     R

   9.1      LK̂R = 90°              [∠ in semi-circle/halfsirkel]                         SR
                                                                                                                 (2)
   9.2      R̂ = 180° − (90° + 58°) = 32°          [∠s/e of/van ∆]                        SR
                                                                                                                 (2)
   9.3      N̂ = 32°         [∠s/e in same segment/dieselfde segment]                     SR
                                                                                                                 (2)
                                                                                                                 [6]

MST GROUP                                                                        Please turn over/Blaai om asseblief

### Page 15

Mathematics/P2/Wiskunde V2                         15                                       MST/November 2022
                                 CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 10

10.1
                                                             C

                                                          O
                                                       1 2

                                              x
                                                                     y

                                        A
                                                                         B

 10.1.1       AO and/en CO are radii/is radiusse
              Â = Ĉ1 = x        [∠s opp equal sides/∠e to gelyke sye]
                                                                                      S
              Ô1 = Â + Ĉ1 = 2 x          [ext/buite ∠ of/van ∆]                     S R
                                                                                                             (3)
 10.1.2       B̂ = Ĉ 2 = y                 [∠s opp equal sides/∠e to gelyke sye]
              Ô 2 = B̂ + Ĉ 2 = 2 y        [ext/buite ∠ of/van ∆]                    S
              AÔB = 2 x + 2 y                                                        S
                     = 2( x + y )
                                                                                      S
                     = 2(Ĉ1 + Ĉ 2 )
                     = 2AĈB                                                                                 (3)

MST GROUP                                                                    Please turn over/Blaai om asseblief

### Page 16

Mathematics/P2/Wiskunde V2                         16                                   MST/November 2022
                                 CAPS/KABV – Grade/Graad 11 – Memorandum

10.2

                             P
                                 2
                                         1

                                     x                          S
                                                               1 2

                                                           1   M
                                                                                            R

                                                     2
                                                 1
                                         1 2         N
                                      Q

 10.2.1       ext ∠ of cyc quad/buite ∠ v koordevh                                R
                                                                                                         (1)
 10.2.2       MP = QM                    [radii]
              Q̂1 = x                    [∠s opp equal sides/∠e to gelyke sye]     SR
                                                                                                         (2)
 10.2.3       M̂1 = 180° − 2 x           [∠s/e of/van ∆]                           S
              R̂ = 90° − x               [∠ at centre = 2× ∠ at circumference/     SR
                                          midpts∠ = 2 × omtreks∠]]                                       (3)
 10.2.4       In ∆NSR:
              R̂ = 90° − x and N̂ 2 = x
              Ŝ 2 = 180° − (90° − x + x)       [∠s/e of/van ∆]
                 = 90°                                                             S
              PS = SR         [line from centre ⊥ chord/lyn v midpt ⊥ kd]          SR
                                                                                                         (3)
                                                                                                        [15]

MST GROUP                                                                Please turn over/Blaai om asseblief

### Page 17

Mathematics/P2/Wiskunde V2                         17                                     MST/November 2022
                                 CAPS/KABV – Grade/Graad 11 – Memorandum

QUESTION/VRAAG 11

                                                                        B

                                                                2 1

                                          T       3             F              2
                                                  2                                   E
                                              1                                1

                                                            2       3
                                                        1
                             A                                  C

 11.1       B̂1 = Â               [tangent-chord theorem/rkl-kdst]                         SR
            Â = T̂3               [corresp ∠s/ooeenk ∠e ; TE | | AC]                       SR
           ∴ B̂1 = T̂3                                                                                 (4)
 11.2      BE = CE                 [tangents from same point/rklyne v dieselfde pt]         R
           B̂1 = Ĉ 3              [∠s opp equal sides/∠e to gelyke sye]                    S
           Ĉ 3 = T̂3                         [ B̂1 = T̂3 ]                                 S
           ∴TBEC a cyclic quad                [converse ∠s in the same segment]             R
              TBEC is koordevh                [omgekeerde ∠e in dieselfde segment]
                                                                                                       (4)
 11.3       B̂1 = T̂2        [∠s in the same segment/∠e in dieselfde segment]               SR
            B̂1 = T̂3        [proven/bewys in 11.1]
           ∴ T̂2 = T̂3
           ∴ ET bisects/halveer BT̂C                                                                   (2)
 11.4      B̂ 2 = Ê 2   [tangent-chord theorem/rkl-kdst]                                   SR
           Ĉ 2 = Ê 2       [∠s in the same segment/∠e in dieselfde segment]               R
           ∴ TB = TC         [sides opposite equal ∠s/sye to gelyke ∠e]                     R
                                                                                                       (4)
 11.5       Ĉ1 = T̂2        [alternate/verwiss ∠s/e ; TE | | AC]                           S
           ∴ Ĉ1 = Â
           ∴ AT =TC [sides opposite equal ∠s/sye to gelyke ∠e]                              S
           T is a point that is equidistant from A, B and C on the circle/                  S
           T is 'n punt wat ewever is vanaf A,B en C op die sirkel.
           ∴ T is the centre of the circle/T is die middelpunt van die sirkel.                         (3)
                                                                                                      [17]

                                                                            TOTAL/TOTAAL:            150
MST GROUP

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