# 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 6dgt10dgt14dgt18dgt22dgt26dgt30dgt34dgt38dgt42dgt46dgt50dgt side length a polygon area Sp circle area Sc area ratio Sp/Sc
 $\normal Regular\ polygons\ circumscribed\\\hspace{200} to\ a\ circle\\\hspace{20} n:\ number\ of\ sides\\(1)\ polygon\ side:\hspace{22} a=2r\tan{\large\frac{\pi}{n}}\\\vspace{2}(2)\ polygon\ area:\hspace{10} S_p={\large\frac{1}{2}}nar\\\vspace{2}(3)\ circle\ area:\hspace{30} S_c=\pi r^2\\$

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