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		In radius units
InRadius		In radius units
Area		In radius units squared
Angle between vertices		Degrees

References:

Regular Polygon (wolfram.com)