| | | If it is a Regular Polygon.. |
| Name | Sides | Shape | Interior Angle |
| Triangle (or Trigon) | 3 |  | 60° |
| Quadrilateral (or Tetragon) | 4 |  | 90° |
| Pentagon | 5 |  | 108° |
| Hexagon | 6 |  | 120° |
| Heptagon (or Septagon) | 7 |  | 128.571° |
| Octagon | 8 |  | 135° |
| Nonagon (or Enneagon) | 9 |  | 140° |
| Decagon | 10 |  | 144° |
| Hendecagon (or Undecagon) | 11 |  | 147.273° |
| Dodecagon | 12 |  | 150° |
| Triskaidecagon | 13 | | 152.308°
|
| Tetrakaidecagon | 14 | | 154.286°
|
| Pentadecagon | 15 | | 156°
|
| Hexakaidecagon | 16 | | 157.5°
|
| Heptadecagon | 17 | | 158.824°
|
| Octakaidecagon | 18 | | 160°
|
| Enneadecagon | 19 | | 161.053°
|
| Icosagon | 20 | | 162°
|
| Triacontagon | 30 | | 168°
|
| Tetracontagon | 40 | | 171°
|
| Pentacontagon | 50 | | 172.8°
|
| Hexacontagon | 60 | | 174°
|
| Heptacontagon | 70 | | 174.857°
|
| Octacontagon | 80 | | 175.5°
|
| Enneacontagon | 90 | | 176°
|
| Hectagon | 100 | | 176.4°
|
| Chiliagon | 1,000 | | 179.64°
|
| Myriagon | 10,000 | | 179.964°
|
| Megagon | 1,000,000 | | ~180° |
| Googolgon | 10100 | | ~180° |
| n-gon | n |  | (n-2) × 180° / n |
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