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
Polygon
Pentagon: 5
Hexagon: 6
Heptagon: 7
Octagon: 8
Nonagon: 9
Decagon: 10
Polygon: 11
Dodecagon: 12
Polygon: 13
Geometry 2D
Circle
Triangle
Quadrangle
Polygon
Ellipse
Mathematics
Geometry 2D
Geometry 3D
Vectors
Matrices
Complex numbers
Coordinates
Cistercian numbers
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