A polygon is a shape made up of straight sides. Polygons include triangles, rectangles, parallelograms, pentagons, hexagons and so on. This sections explores the different types and properties of polygons:

- Regular polygons (shapes where each side is the same length and each angle is the same).
- Different types of triangle.
- Different types of quadrilateral.
- Interior and exterior angles.
- Symmetry.
- Tesselation (tiling shapes).

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