Polygon Calculator

— P. Lutus -- Message Page --

This JavaScript application will compute commonly needed properties of regular polygons. Type in a radius (the distance from the center to any vertex), the number of sides, and press "Compute".

Enter radius (distance from center to any vertex):
Enter number of sides:

Description	Value	Units
Length of Sides	1.414213562373095	In radius units
InRadius	0.7071067811865476	In radius units
Area	1.9999999999999998	In radius units squared
Angle between vertices	90	Degrees

References:

Regular Polygon (wolfram.com)