Regular Polygon
Polygon
Pentagon: 5
Hexagon: 6
Heptagon: 7
Octagon: 8
Nonagon: 9
Decagon: 10
Polygon: 11
Dodecagon: 12
Polygon: 13
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Regular Polygon
The angles have the same angle from the center
Number of angles
Side length
Number of angles
Side length
Interior angle
Base angle
Sum of angles
Radius of inner circle
Radius of outer circle
Area