Circumcircle of a regular polygon Calculator

Calculates the radius and area of the circumcircle of a regular polygon.

Circumcircle of a regular polygon
number of sides n
    1. n=3,4,5,6....
side length a

circumradius r
    1.  
diameter φ
    1.  
circumcircle area Sc
    1.  
polygon area Sp
    1.  
area ratio Sc/Sp
    1.  
    Circumcircle of a regular polygon
    [1-4] /4Disp-Num
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    [1]  2019/04/09 10:32   Male / 30 years old level / An engineer / Very /
    Purpose of use
    A quick check to determine if a cube has enough clearance to fit inside a cylindrical tube.
    Comment/Request
    I've used this a few times now, Thanks!
    [2]  2018/06/13 07:39   Male / Under 20 years old / Elementary school/ Junior high-school student / A little /
    Purpose of use
    Finding distance between points on circle
    Comment/Request
    Solve for a
    [3]  2018/01/06 13:48   Male / 50 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    calculate size of rectangular prism that will fit inside a cylinder as part of designing a home made propane blacksmiths forge
    [4]  2015/08/03 23:23   Male / 20 years old level / An office worker / A public employee / Very /
    Purpose of use
    Designing satellite constellations for Kerbal Space Program

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