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(MA) Interior Angles
Interior Angles by Sam!
| Polygon | Measure of Each Interior Angle |
|---|---|
| Quadrilateral | 90 |
| Pentagon | 108 |
| Hexagon | 120 |
| Heptagon | 128.57 |
| Octagon | 135 |
| Nonagon | 140 |
| Decagon | 144 |
| 11-Gon | 147.27 |
| Dodecagon | 150 |
| 180(n-2) n is number of sides | Interior angle sum |
| 180(n-2)/n n is number of sides | Each interior angle |