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Here are some tips for Polygon Names, which aligns with California state standards:
Polygon Names
A polygon is a flat, closed figure with straight sides. The sides of polygon do not cross.
How can you tell if the figure is a closed figure?Polygon names tell us how many number of sides and angles the polygon has.
When you trace a closed figure, you start and stop at the same point.
| Polygon Name | Number of Sides | Number of Angles | Greek/Latin prefix |
|---|---|---|---|
| Triangle | 3 | 3 | tri means 3 |
| Quadrilateral* | 4 | 4 | quad means 4 |
| Pentagon | 5 | 5 | penta means 5 |
| Hexagon | 6 | 6 | hex means 6 |
| Heptagon | 7 | 7 | hept means 7 |
| Octagon | 8 | 8 | oct means 8 |
| Nonagon | 9 | 9 | non means 9 |
| Decagon | 10 | 10 | dec means 10 |
| Dodecagon | 12 | 12 | dodec means 12 |
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