Image: Regular polygon radius square
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Description: Radius of a regular polygon with n sides of length s is r = Rns, where Rn=1/(2sinπn).{\displaystyle R_{n}=1/\left(2\sin {\frac {\pi }{n}}\right).} This polygon has 4 sides of length 1, thus the radius is 0.7071067812.
Title: Regular polygon radius square
Credit: Own work
Author: Hyacinth
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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