Regular Polygons

Regular Polygons

1. Square

   • 4 sides
   • 90° exterior angles
   • 90° interior angles

2. Pentagon

   • 5 sides
   • 72° exterior angles
   • 108° interior angles

3. Hexagon

   • 6 sides
   • 60° exterior angles
   • 120° interior angles

4. Heptagon

   • 7 sides
   • 51 3/7° exterior angles
   • 128 4/7° interior angles

5. Octagon

   • 8 sides
   • 45° exterior angles
   • 135° interior angles

6. Nonagon

   • 9 sides
   • 40° exterior angles
   • 140° interior angles

7. Decagon

   • 10 sides
   • 36° exterior angles
   • 144° interior angles

8. n-sided

   • n sides
   • 360°/n
   • 180° - 360°/n