Regular polygon circumscribed to a circle Calculator

Calculates the side length and area of the regular polygon circumscribed to a circle.

 number of sides n n＝3,4,5,6.... inradius r 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit side length a polygon area Sp circle area Sc area ratio Sp/Sc
Regular polygon circumscribed to a circle
 [1-10] /24 Disp-Num5103050100200
[1]  2022/06/04 01:38   20 years old level / An office worker / A public employee / Very /
Purpose of use
Patterning cloth cover for cylindrical bucket
[2]  2021/05/06 21:39   30 years old level / High-school/ University/ Grad student / Very /
Purpose of use
To determine the open diameter of an expanding ring-like structure with 8 hinge units.
[3]  2021/01/08 23:00   40 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Determining lengths of sides of polygonal frame around a round gateway
[4]  2020/04/19 04:16   60 years old level or over / A retired person / Very /
Purpose of use
Calculating rounded root for gear tooth space
[5]  2019/08/10 13:45   50 years old level / An engineer / Very /
Purpose of use
determining the smallest size of turntable to support 36 tracks on an HO scale model railroad
[6]  2019/04/05 12:52   60 years old level or over / A retired person / Very /
Purpose of use
Central play station game piece planning
[7]  2019/02/19 20:14   20 years old level / High-school/ University/ Grad student / A little /
Purpose of use
Wished that you could enter a perimeter and it give you a radius
[8]  2018/06/09 12:47   60 years old level or over / A retired people / Very /
Purpose of use
Used to create a Pentagon for a power tool workstation with the biggest possible sides. Thanx for the calculator and the effort.
[9]  2018/03/20 15:04   60 years old level or over / An engineer / Useful /
Purpose of use
Building a wooden frame. Didn''t want to spend the time to derive calculations myself.
[10]  2018/03/20 11:37   Under 20 years old / High-school/ University/ Grad student / - /
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area of regular polygon circumscribed about the circle

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