Regular polygon
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| Regular heptadecagon | |
|---|---|
 A regular heptadecagon | |
| Type | Regular polygon |
| Edges and vertices | 17 |
| Schläfli symbol | {17} |
| Coxeter diagram |    |
| Symmetry group | Dihedral (D17), order 2×17 |
| Internal angle (degrees) | ≈158.82° |
| Dual polygon | Self |
| Properties | Convex, cyclic, equilateral, isogonal, isotoxal |
A regular polygon is a polygon which is both equilateral (which means all its sides have the same length) and equiangular (which means that all its angles are the same).
Examples[change | change source]
The simplest examples of regular polygons are:
