Regular 2-D Shapes
Object | Name | Sides | Angles |
| Triangle | 3 | 3 |
| Quadrilateral (Square) | 4 | 4 |
| Pentagon | 5 | 5 |
| Hexagon | 6 | 6 |
| Heptagon | 7 | 7 |
| Octagon | 8 | 8 |
| Nonagon | 9 | 9 |
| Decagon | 10 | 10 |
These shapes are known as regular polygons. A polygon is a many sided shape. To be a regular polygon all the sides and angles must be the same.
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