# Mathematics Grade 12 Paper 2 Gauteng Mock 2020 Memo

> Grade 12 Mathematics Paper 2 memorandum from the Gauteng Mock Exam 2020, 21 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/gr-12-gauteng-maths-p2-sep-2020-memo/52194179-337d-4aeb-a0a1-aaf4b4ebbca4
- Updated: 2026-09-27
- Subject: Mathematics
- Grade: Grade 12
- Document type: Memorandum
- Year: 2020
- Exam period: Gauteng Mock Exam
- Paper: 2
- Curriculum: CAPS
- Pages: 21

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## About this document

Mathematics · Grade 12 · Gauteng Mock Exam · 2020. Memorandum, 21 pages. Read online or download the PDF.

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### Page 1

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          PREPARATORY EXAMINATION
          VOORBEREIDENDE EKSAMEN
                                2020
                 MARKING GUIDELINES /
                        NASIENRIGLYNE

                      MATHEMATICS (PAPER 2) (10612)
                     WISKUNDE (VRAESTEL 2) (10612)

21 pages / bladsye

                                   1

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NOTE:
 If a candidate answers a question TWICE, mark only the FIRST attempt.
 If a candidate has crossed out an attempt of a question and not redone the question, mark the
  crossed out version.
 Consistent accuracy applies in ALL aspects of the marking guidelines. Stop marking at the
  second calculation error.
 Assuming answers/values in order to solve a problem is NOT acceptable.

LET WEL:
 As ŉ kandidaat ŉ vraag TWEE KEER beantwoord, sien slegs die EERSTE poging na.
 As ŉ kandidaat ŉ antwoord van ŉ vraag doodtrek en nie oordoen nie, sien die doodgetrekte
  poging na.
 Volgehoue akkuraatheid word in ALLE aspekte van die nasienriglyne toegepas. Hou op nasien by
  die tweede berekeningsfout.
 Aannames van antwoorde/waardes om ŉ probleem op te los, word NIE toegelaat nie.

                                  GEOMETRY / MEETKUNDE

             A mark for a correct statement
             (A statement mark is independent of a reason.)
      S
             ŉ Punt vir ŉ korrekte bewering
             (ŉ Punt vir ŉ bewering is onafhanklik van die rede.)

             A mark for a correct reason
             (A reason mark may only be awarded if the statement is correct.)
      R
             ŉ Punt vir ŉ korrekte rede
             (ŉ Punt word slegs vir die rede toegeken as die bewering korrek is.)

             Award a mark if the statement AND reason are both correct.
    S/R
             (Ken ŉ punt toe as beide die bewering EN rede korrek is.)

                                                2

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QUESTION / VRAAG 1

1.1       1 581                                                         1 581
      x                                                               
            31                                                            31
        51                                                             51
      OR / OF                                                          OR / OF

      x  51 (calculator method / sakrekenaar metode)                  51
                                                                                                    (2)
1.2    skewed to the right (positevely skewed)
       skeef na regs (positief skeef)                                  answer / antwoord
                                                                                                    (1)
1.3   Physical Sciences performed better.                              answer / antwoord
       Q1 is 40% in Physical Sciences and 28% in Mathematics which
      indicates the lower 25% of the class performed much better in
      Physical Sciences than in Mathematics.
      Fisiese Wetenskappe presteer beter.                              reason / rede
      Q1 is 40% in Fisiese Wetenskappe en 28% in Wiskunde wat
      aandui dat die onderste 25% van die klas heelwat beter presteer
      in Fisiese Wetenskappe as in Wiskunde.
                                                                                                    (2)
1.4   Accept any mark between 40 – 50.
      Aanvaar enige punt tussen 40 – 50 .                               answer / antwoord
                                                                                                    (2)
1.5   The greatest difference is 87%  71% 16%                         87%  71% 16%
       the Physical Sciences mark is 71% .                             answer / antwoord
      Die grootste verskil is 87%  71% 16%                           answer only full marks /
       die Fisiese Wetenskappe punt is 71% .                          antwoord alleenlik volpunte
                                                                                                 (2)
                                                                                                 [9]

QUESTION / VRAAG 2

2.1   a  12,41                                                         a  12,41
      b  0,49                                                          b  0,49
      yˆ 12,41  0,49 x                                                yˆ 12,41  0,49 x
                                                                                                    (3)
2.2   yˆ 12,41  0,49 x
      12,41  0,49150                                               substitution / vervanging
       85,91  86%                                                     answer / antwoord

       OR/OF                                                           OR/OF
       yˆ  85,17                                                       yˆ  85,17
                                                                                                    (2)
2.3   yˆ 12,41  0,49 x
      The 𝑦-intercept is 12,41 which means that a learner who did not
      begin the exam achieved 12,41%. This is clearly impossible.      conclusion / gevolgtrekking
      Die 𝑦-afsnit is 12,41 wat beteken dat ŉ leerling wat die eksamen
      nie begin het nie, alreeds12,41% behaal het. Dit is onmoontlik.
                                                                                                 (1)
                                                  3

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2.4   10,28                                                 10,28
                                                                                       (2)
2.5     63,9    p                                        63,9    p
        63,9    103,59                                   63,9    103,59
         127,92  p  103,59
              p  24,33                                     p  24,33

      OR / OF                                              OR / OF
       103,59  63,96
         39, 63                                            σ = 39,63
      p  63,96  39, 63                                    63,96  39,63
         24,33                                             p  24,33
                                                                                      (3)
                                                                                     [11]

QUESTION / VRAAG 3

                      𝑦

                                         E

                     O                                               𝑥

3.1       12 6 
        E ; 
          2 2
                                                              6
        E(6 ; 3)                                              3
                                                                                       (2)
3.2           60
      mBA 
              7 5
                                                               mBA  3
          3

      y  mx  c
                               y  y1  m  x  x1           substitution of m and
      y  3x  c
                                y  6  3 x  7             (7 ; 6) / (5 ; 0)
      6  3(7)  c OR / OF                                     Vervanging van m en
                                    y  3 x  21  6
      c   15                                                (7 ; 6) / (5 ; 0)
                                    y  3 x 15
      y  3 x 15
                                                               y  3x 15
      OR / OF

                                                       4

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      y  mx  c
      y  3x  c                                 y  y1  m  x  x1 
      0  3(5)  c              OR / OF           y  0  3( x  5)
      c   15                                             y  3x 15
      y  3 x 15
                                                                                                     (3)

3.3   rx  3 y  5  0
             3 y   rx  5
                   r   5                                                 standard form /
                 y x
                   3   3                                                  standaardvorm

         r                                                                    r
      3                                                                 3
         3                                                                    3
      r 9                                                                r 9
                                                                                                     (3)
3.4   Area Δ AOP 10
           1
               AO   h 10
           2
                                                                             1
               1                                                               5   h 10
                  5  h 10                                                2
               2
                       h4
                                                                           h4
      butbut/ maar y  0
          / maar
                     y   4                                             y4
                                                                           x  5   4  0 
                                                                                   2             2

                          AP = BP                                           and / en
                         AP 2 = BP 2                                      x  7    4  6
                                                                                  2            2

       x  5   4  0    x  7    4  6 
             2              2          2               2
                                                                         equate the two lengths /
                                                                          gelykstel van die twee
        x 2 10 x  25 16  x 2 14 x  49 100
                                                                          lengtes
                          4 x 108                                        4 x 108
                            x  27                                        x  27
      P (27 ; 4 )                                                                                (7)
                                                                                                 [15]

                                                              5

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QUESTION / VRAAG 4

                                                                         𝑦

                                                         A (2; 4)

                                                                                   E
                         B(a ; b)                                    R

                                                                         45
                                                                               D

                                                                                       α
                                  P                                                                           𝑥
                                                                     O                 S

4.1    135              ext  of  / buite  van 
      tan 135   m                                                               tan 135  m
               m  1                                                               m  1
      y  mx  c
                                      y  y1  m  x  x1 
      y   1x  c
                                       y  4   1 x  2                         substitute m and  2; 4  /
      4   1 2   c OR / OF
                                           y   1x  2  4                         vervang m en  2; 4 
      c2
                                           y x2                                  equation / vergelyking
      y x2
                                                                                                               (4)
4.2   P  4;0 
                                                                                    a 4
      a 4

      mBA .mAS  1
           mBA  1                                                                  mBA = 1
                   4b
           mBA                                                                    substitute / vervang
                  24
                  4b
              1
                   2
              2  4b
              b2                                                                  b2
                                                                                                               (4)
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4.3      x  a   y  b  r2
                         2           2

                                                                                       substitute midpoint in
         x  4   y  2  r 2
                2           2

                                                                                        correct formula / vervang
       2  4    4  2   r 2
                2           2
                                                                                        middelpunt in korrekte
                                                                                        formule
                                 4  4  r2
                                                                                       substitute / vervang  2; 4 
        x  4   y  2  8
                         2           2
                                                                                         x  4   y  2  8
                                                                                                   2          2

                                                                                                                        (3)
4.4   x  2x  y  2 y  0
       2                     2

                                                                                         x 1
                                                                                                   2

       x  2 x  1   y  2 y  1  1  1
           2                             2

                                                                                         y 1
                                                                                                   2

       x  1   y  1  2
                     2
                                                                                       2
                                                                                                                        (3)
4.5   D (1 ; 1)                                                                        answer / antwoord
                                                                                                                        (1)
4.6   DE =               2                                                             DE = 2
      DA  (2  1) 2  (4  1) 2                                                      correct substitution in
                                                                                        correct formula /
                99                                                                    korrekte vervanging in
                18              OR/OF           3 2                                   korrekte formule
                                                                                       DA = 18 OR/OF 3 2
       ˆ  90                                                                            ˆ  90
                                                                                        DEA
      DEA                                        radius  tangent / radius  raaklyn
                2            2           2
        AD = DE + AE                             pythagoras

       18    2   AE                                                                   18    2   AE
                                                                                                   2      2
                 2               2
                                             2                                                                    2

       18  2  AE 2                                                                    AE = 4
               AE = 4                                                                                                   (6)
                                                                                                                       [21]

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QUESTION / VRAAG 5

5.1
          1  4 sin 2 15
                                                                1  4 sin 2 (45  30)
           1  4 sin (45  30)
                        2
                                                                sin 45 cos 30  cos 45 sin 30
           1  4sin 45 cos 30  cos 45 sin 30
                                                       2

                  2 3
                                        2                           2 3    2 1
                          2 1                                      .     .
           1  4  .     .                                      2 2    2 2
                  2 2   2 2
                                2
                  6  2
           1  4        
                     4   
                 6  4 3  2                                        6  4 3  2
           1  4                                             1  4           
                      16                                                 16    
                 8  4 3 
           1  4        
                  16 
               8  4 3 
           1         
                4 
           3 1                                                3 1

      OR/OF                                                    OR/OF
      1  4 sin 2 15
                                                                1  4 sin 2 (60  45)
       1  4 sin 2 (60  45)
       1  4sin 60 cos 45  cos 60 sin 45                sin 60 cos 45  cos 60 sin 45
                                                   2

                                    2
              3 2 1 2
       1  4 .   .                                         
                                                                    3 2 1 2
                                                                     .  .
              2 2 2 2                                            2 2  2 2
                            2
              6  2
       1  4      
                4  
             6  4 3  2                                            6  4 3  2
       1  4                                                 1  4           
                  16                                                     16    
             8  4 3 
       1  4         
              16 
            8  4 3 
       1          
             4 
       3 1                                                    3 1
                                                                                                 (5)

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5.2       3 sin x .sin 2 72  sin 2 198 . 3 cos  x  90 
                           tan120 .sin x
        3 sin x .sin 2  90 18   sin 2 180  18  . 3 sin x    sin x
      
                          tan 180  60  .sin x
                                                                       cos2 18
        3 sin x .cos 2 18  sin 2 18 . 3 sin x
                                                                      sin 2 18
                   tan 60 .sin x
                                                                        tan 60
              3 sin x  cos 2 18  sin 2 18 
                                                                     factorise / faktoriseer
                        3 .sin x
       1                                                             1

      OR/OF                                                           OR/OF
            3 sin x. sin 2 72  sin 2 18. 3 sin x
                                                                       sin 2 18
                        tan 60. sin x                                sin x
              3 sin x(sin 2 72  cos 2 72)                            tan 60
          
                         3. sin x                                     factorise / faktoriseer
             3 sin x(1)                                                cos 2 72
          
             3. sin x
           1                                                         1
                                                                                                        (6)

5.3   6 sin x. cos x  3 cos x  4 sin 2 x  2 sin x  0
                                                                      grouping / groepeer
      3 cos x(2 sin x  1)  2 sin x(2 sin x  1)  0
      (2 sin x  1)(3 cos x  2 sin x)  0                             factorise / faktoriseer
                 1
      sin x          OR/OF 3 cos x  2 sin x
                 2                                                     sin x   1
                                            3                                       2
                                   tan x 
                                            2                          tan x  3
                                                                                2

      RA  30º                        RA  56,31º                      210  k.360
      x  210º  k .360º              x  56,31º  k .180º             330  k.360 ,
      x  330º  k .360º              x  236,31º  k .180º ; k  Z    56,31  k.180 , k  Z

      OR/OF                                                           OR/OF

                                                             9

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         6 sin x. cos x  3 cos x  4 sin 2 x  2 sin x  0
        (6 sin x. cos x  3 cos x)  (4 sin 2 x  2 sin x)  0                  grouping / groepeer
        3 cos x(2 sin x  1)  2 sin x(2 sin x  1)  0
        (2 sin x  1)(3 cos x  2 sin x)  0                                     factorise / faktoriseer
                   1
        sin x         OR/OF         3 cos x  2 sin x
                   2                                                             sin x   1
                                                 3                                            2
                                       tan x 
                                                 2                               tan x  3
                                                                                          2
                                                                                  30  k.360
         x  30  k .360               x  56,31  k .180         ;k Z     210  k.360
         x  210  k .360                                                      56,31  k.180 ; k  Z
                                                                                                                (7)

5.4                     cos A         1
          1 tan A           
                        cos 2A  cos A  sin A
                              cosA 
        LHS/ LK  (1  tan A)       
                              cos2A 
                       sin A      cos A                                        sin A
                 1                                                       
                   cos A  cos A  sin A 
                                   2       2                                       cos A
                                                                                cos2 A  sin 2 A
                       cos A  sin A               cos A             
                                                                   
                           cos A      (cos A  sin A)(cos A  sin A)           cos A  sin A
                             1                                                 
                                                                                      cos A
                      cos A  sin A                                              cos A  sin A  cos A+sin A 
        LHS / LK = RHS / RK
                                                                                                                  (4)
5.5.1   cos 2θ
         1 k2                                                                 1  k 2
                                                              1         k

                                                                               OR/OF
        OR/OF

         cos 2 2  1  sin 2 2                                                cos 2 2  1  sin 2 2

                     1 k2
           cos 2  1  k 2                                                     1 k 2
                                                                                                                  (2)

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5.5.2   sin 2
         tan 
                                                   2sin  .cos 
          2sin  .cos 
                                                   sin 
               sin                               
                                                    cos 
               cos 
                            cos 
         2sin  .cos  .
                            sin 
         2 cos 2                                 2cos2 

             / maar cos 2  1 k 2
        But/maar
         But
                2cos 2  1 1 k 2                2cos2  1
                      2cos 2   1 k 2 1         1 k 2 1
                      sin 2                                              (5)
                              1 k2 1
                       tan

                                                                          [29]

                                             11

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QUESTION / VRAAG 6

6.1     a  1                                              a  1
        d 2                                               d 2
                                                                                           (2)
6.2               1                                                1
        D  150 ;                                         150 ; 
                  2                                                2
                                                                                           (1)
6.3.1    90 x  90                                       90 and / en 90
        OR / OF                                            correct inequality /
        x 90 ;90                                      korrekte ongelykheid
                                                                                           (2)
6.3.2   135 x   45                                    135 and / en 45
        OR / OF                                             correct inequality /
        x 135 ;  45                                  korrekte ongelykheid
                                                                                           (2)
                                       If learner gives all three answers, then            [7]
                                       maximum 1/2 / Indien ŉ leerling al drie die
                                       antwoorde gee, dan maksimum 1/2
                                       x  (135;45) or/of (0;45) or/of (135;180)

                                  12

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QUESTION / VRAAG 7

7.1   In  KLM

      KM                                                            correct trig ratio / korrekte trig
         = tan x                                                     verhouding
      LM

      KM
         = tan x
       r

      KM = r tan x                                                   KM  r tan x (simplification /
                                                                     vereenvoudiging)
          In  KMN

      MN
         = tan x
      KM

      2r                                                  2r
         = tan x                    OR/OF         KM =               2r  tan x
      KM                                                 tan x          KM
                                                             2r
         2r                                       r tan x                 2r
              = tan x                                       tan x   
      r tan x                                                           r tan x

          2 = tan2 x

          2 = tan x                                                  2  tan x

          x = 54,74°                                                 x  54, 74
                                                                                                    (6)
7.2   LN = LM + MN  2 LM.MN cos M
          2          2        2

                                                                    correct substitution in cos-
      LN 2   5   10   2  5  . 10  cos110
                 2        2
                                                                     rule / korrekte vervanging in
      LN 2 159, 20                                                  cos-reël

      LN  159, 20
      LN 12, 62 m                                                   12,62m
                                                                                                    (2)
                                                                                                    [8]

                                                         13

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QUESTION / VRAAG 8

            E
                                                   A

          1 67º
        B 2
         3

                                                                            G
        C

                                          3   21
                                              D

8.1.1   AD̂C  67              ext.  of cyclic quad / buite  van kvh     S R

        OR / OF
                                                                            OR / OF
        ˆ +B
        B    ˆ = 113°           s straight line / e op reguit lyn
          2   3

           ˆ
        ADC= 67°                opp s of cyclic quad / oorst e van kvh    S R
                                                                                           (2)
8.1.2   Ĉ  180º- 67º          co-int  BC || AD /
                                          s

         113º                  ko-binne e BC || AD                        S/R
                                                                                           (1)
8.1.3   Â  67                opp  of cyclic quad / alt  BC||AD /
                                      s                      s
                                                                            S/R
                                alt s EC || AD
                                oorst e van kvh / verwisselende e
                                BC||AD / verwis e EC || AD
                                                                                           (1)
8.1.4   B̂ 2 67               s opposite = sides / e teenoor = sye      S R

        D̂2  180 67  67   sum of s in  / som vd e v 
             46                                                           S
                                                                                           (3)
8.1.5   BD̂G 113              tan chord theorem / raaklyn koordstelling   S R

        OR / OF                                                             OR / OF
        D̂1  67               tan chord theorem / raaklyn koordstelling   R
        BD̂G 113                                                          S
                                                                                           (2)

                                              14

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8.2        ˆ D
           B   ˆ  46            alt s BC||AD / verwisselende e BC||AD   S
            3    2

           AB  CD                s subtend = chords / e onderspan =      R
                                  koorde
           OR/OF                                                            OR/OF

            AD̂C  Â              both  67                               S
            AB  CD               sides opp equal angles in trapezium
                                                                            R
                                  ABCD /sye teenoor gelyke hoeke in
                                                                                         (2)
                                  trapesium ABCD
                                                                                        [11]

QUESTION / VRAAG 9
 9.1

                          D
                              1                         A
                                                      21

                                                  R
                                                                1
                                                   2        2
                                                                    B
                                  O   1           1= M

                                                  C

9.1.1(a)    Ô1  2 x              centre = 2   circumference /          S/R
                                  middelpunts  = 2  omtreks 
                                                                                         (1)

                                             15

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9.1.1(b)   Â1  CD̂B  x      s in the same segment /                      S/R
                               e in dies. segment
           M̂ 2  90          line from centre to midpoint of chord / lyn   S
                               van middelpunt van sirkel na middelpunt       R
                               van koord
             ˆ  90  x
           ABO                sum of s in  / ext  of a  /
                               som vd e v  / buite  v                    S

            OR/OF                                                            OR/OF
            Ô1  2 x          proved/reeds bewys                            S
            M̂1  90          line from centre to midpoint of chord / lyn
                                                                             R
                               van middelpunt van sirkel na middelpunt
                               van koord

            Ĉ  90  2 x     sum of s in  / som vd e v                 S

            B̂1  90  2 x    s in the same segment /                      S/R
                               e in dies. segment                                        (4)
            AB̂O  90  x

                                           16

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    9.1.2     AD||OB                               midpoint theorem / middelpunt stelling   S R
              Ô1  AD̂C  2 x                     corresponding s AD || OB /              S
                                                   ooreenkom e AD || OB
               D̂1  x                                                                     S

              Â1  x                              proved / reeds bewys
               D̂1  Â1                                                                   S
              AB is a tangent / is ŉ raaklyn       converse tan chord theorem /
                                                   omgekeerde raaklyn koordstelling         R

              OR / OF                                                                       OR / OF

                                                    in a semi-circle /  in halwe sirkel   S R
              Â 2  90
                                                   corr s are equal / ooreenk e gelyk     R
               AD||OB
                ˆ O ˆ  2x                        corr s DA || OB / ooreenk e DA || OB   S
              CDA          1

               D̂1  x
              D̂  Aˆ                                                                       S
                1     1
              AB is a tangent /                    converse tan chord theorem /
                                                    omgekeerde raaklyn koord                R
              is ŉ raaklyn                                                                               (6)

    9.1.3      DC 2  AD2  AC2                Pythagoras                                   S
               but /but/maar AC  2AM and/en DC  2DO
                      maar
but/maar AC  2AM     enen DC  2DO
               and /and/                                                                    S
               2DO2  AD2  2AM2
               4DO2  AD2  4AM2
              but/
              but    maarInInΔABM
                  /maar
               but/ maar      ΔABM                 Pythagoras                               S
                    
                   2 2
                            
                          2 2
               AM  AB  MB2
              AM       AB     MB 2
                                                                                            substitution /
               4DO 2  AD 2  4  AB 2  MB 2                                              vervanging

              AD 2  4DO 2  4AB 2  4MB 2                                                               (4)

                                                           17

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9.2
                                               Q

                                                                          P

                         N   2
                                 1
                                 =
                                                U
                                                          V
                                                         1        2
                                               3 2            1
                                           4         1                W
                     L                         M

9.2.1   M̂ 2  Q̂                    alternate s NQ || MP /                     S
                                     verwissel e NQ ||MP
        M̂ 4  Q̂  M̂ 2             tan chord theorem / raaklyn koordstelling   S/R
        Ŵ1  Q̂  M̂ 2               in the same segment / tan chord
                                       s
                                                                                 S/R
                                     theorem / e dieselfde sirkel segment /
                                     raaklyn koord stelling
        OR/OF
        Ŵ1  M̂ 4  M̂ 2             tan chord theorem / raaklyn
                                      koordstelling                                             (3)
9.2.2   In ΔWMV and/en ΔQMN

        Ŵ1  Q̂                     proved / reeds bewys                        S
        M̂1  M̂ 3                   equal chords subtend equal s / gelyke      S/R
                                     koorde onderspan gelyke e
        V̂1  N̂1  N̂ 2             sum of s in  / som vd e v               S
         ΔWMV||| ΔQMN               

        OR / OF                                                                  OR / OF

        In ΔWMV and/en ΔQMN
        Ŵ1  Q̂                     proved/reeds bewys                          S
        M̂1  M̂ 3                   equal chords subtend equal s / gelyke      S/R
                                     koorde onderspan gelyke e
         ΔWMV||| ΔQMN                                                        R
                                                                                                (3)
                                                   18

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9.2.3              M V WV
                       =                                                             S
                   MN     QN                   ΔWMV||| ΔQMN/||| s
                                                                                     R
                    MV MN
                       
                    WV QN
              MV × QN = MN × WV                given / gegee
         but / maar QN = PW                                                          S
              MV × PW = MN × WV
                   MV MN                                                                                (3)
                       =
                   WV     PW
                                                                                                       [24]

QUESTION / VRAAG 10
                                           A

                                       h       k
                           D                            E

                    B                                           C
10.1    Construction: Join DC and BE and                                             construction /
        altitudes k and h                                                             konstruksie
        Konstruksie: Verbind DC en BE asook
        die hoogtelyne k en h
                         1
                            AD  k                                                  S
        Area Δ ADE                    AD
                       2           
         Area Δ DEB      1
                            DB  k DB
                         2

                     1
                        AE  h
        Area Δ ADE   2            AE
                                                                                   S
        Area Δ DEC   1
                        EC  h EC
                     2

         but// maar Area ΔDEB  Area ΔDEC
        but                                        same base, same height / gelyke   S R
                                                   hoogte, dieselfde basis
            Area Δ ADE   Area Δ ADE
                                                                                   S
            Area Δ DEB   Area Δ DEC

                   AD AE
                    
                   DB EC                                                                                (6)

                                                   19

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10.2

10.2.1   ML BJ 2                  line || one side ΔBCM OR prop theorem         S
               
(a)      LC   JC 3                MB||JL / lyn || aan een sy van ΔBCM OF        R
                                  eweredigheidsstelling MB||JL
                                                                                              (2)
10.2.1   M C BC 5                 line || one side ΔBMC OR prop theorem         S
(b)           
         M L BJ 2                 MB||JL / lyn || aan een sy van ΔBMC
                                  OF eweredigheidsstelling MB || JL
         AM  M C
                                  diagonals of a parm bisect / hoeklyne van
                                  parm halveer                                  S/R
         AM 5
           
         ML 2

         AK AM 5                  line || one side ΔAJL OR prop theorem
              
         KJ M L 2                 MK||JL / lyn || aan een sy van ΔAJL OF      S
                                  eweredigheidsstelling MK || JL                              (3)
10.2.2   AB || CD                 opposite sides of parm / oorst sye van parm S
         AB || QM
         In  ADC
          QM || CD
         AM = MC                  proved / reeds bewys
          AQ  QD                line passing through the midpoint of 1 side   S / R
                                  || to second side / lyn sny die middelpunt
                                  van 1 sy || aan tweede sy

         but AD = BC              opposite sides of parm / oorst sye van parm S
                1
         AQ  AD
                2
           1  2 10 
                 
           2  3 
                      2
          AQ  QD      10  2
                      3
                      10                                                        S
                        units
                      3
                                              20

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OR / OF                                                                    OR / OF

In Δ ABD
BM = MD                     diag of a parm / hoeklyne van parm             S
QM || AB                    given / gegee
   AQ QD                  Line passing through the midpoint of           S/R
                            1 side || 2nd side / lyn deur middelpunt aan
       1                    een sy || tweede sy OR/OF
 QM     AB
       2                    midpoint theorem / middelpunt stelling         S/R
AQ = QD
     1 2    
AQ   10 
     2 3    
         10                                                                S
           units/eenhede
         3

OR / OF                                                                    OR / OF
 Let/stel BC = 2k en/and
 AB = 3k
  3k  10
         10
    k
         3
       2 10
  BC                                                                      S
          3
                              line || one side ΔADC OR prop
  AQ AM       5
                            theorem QM||DC / lyn || aan een sy van
  AD AC 10                    ΔADC OF eweredigheidsstelling                S/R
       1                      QM||DC
  AQ  AD
       2
             2 10             opposite sides of parm / oorst sye van       R
  AD  BC                    parm
               3
         10                                                                S
  AQ 
         3                                                                                (4)

                                                                                         [15]

                                                                  TOTAL / TOTAAL:       [150]

                                        21

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