# The circle equation and semicircles

> The circle is a fundamental geometric shape, and in Grade 11 Technical Mathematics you learn to describe it using an algebraic equation. This connects geometry to the Cartesian plane, allowing you…

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## Full notes

This is a preview of the The circle equation and semicircles notes for Grade 11 Technical Mathematics. Create a free Hlayiso account to read the full notes, practise every question and track your progress.

## More in Functions and graphs

- [Parabola, hyperbola and exponential functions](https://www.hlayiso.com/grade-11/technical-mathematics/notes/functions-and-graphs/parabola-hyperbola-and-exponential-functions) — Previous section
- [Determining equations and interpreting graphs](https://www.hlayiso.com/grade-11/technical-mathematics/notes/functions-and-graphs/determining-equations-and-interpreting-graphs) — Next section
- [All Functions and graphs sections](https://www.hlayiso.com/grade-11/technical-mathematics/notes/functions-and-graphs)

## Frequently asked questions

### What will I learn in "The circle equation and semicircles"?

This section covers The circle equation and semicircles as part of Functions and graphs in Grade 11 Technical Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "The circle equation and semicircles", are written against the official CAPS curriculum and ATP for Grade 11 Technical Mathematics.

### What should I study after "The circle equation and semicircles"?

Continue with the next section in Functions and graphs, or test your understanding with the interactive quiz linked to this section.

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