# Circumcircle of a triangle Calculator

## Calculates the radius and area of the circumcircle of a triangle given the three sides.

 side a side b side c 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit circumradius r diameter φ circumcircle area Sc triangle area St area ratio Sc/St
 $\normal Circumcircle\ of\ a\ triangle\\\vspace{5}(1)\ circumcircle\ radius:\\\hspace{130} r={\large\frac{abc}{4\sqrt{s(s-a)(s-b)(s-c)}}}\\\hspace{230} s={\large\frac{a+b+c}{2}}\\(2)\ circumcircle\ area:\ Sc=\pi r^2\\\vspace{5}(3)\ triangle\ area:\ St=\sqrt{s(s-a)(s-b)(s-c)}\\$

Circumcircle of a triangle
 [1-7] /7 Disp-Num5103050100200
[1]  2019/03/31 18:35   Male / 50 years old level / An engineer / Very /
Purpose of use
Designing a flexible retaining ring for a prototype 3D printed part.
[2]  2018/12/07 12:01   Male / Under 20 years old / High-school/ University/ Grad student / A little /
Purpose of use
Sheer curiosity of triangles and circles
[3]  2018/06/27 20:58   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
Verifying my work
[4]  2018/03/03 04:13   Male / Under 20 years old / Elementary school/ Junior high-school student / - /
Purpose of use
Comment/Request
[5]  2017/09/01 21:21   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
work
Comment/Request
brilliant
[6]  2013/02/08 21:03   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
learnt some formulas
[7]  2009/08/26 09:56   Male / 30 level / A teacher / Very /
Comment/Request
Good

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