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

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

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