Circumscribed circle of a Triangle calculator

Side a:    
Side b:    
Side c:    
     
Inscribed Circle Radius :    
Inscribed Circle Area :    
Inscribed Circle Perimeter :    

every triangle has a unique circumcircle, a circle passing through all three vertices, whose center is the intersection of the perpendicular bisectors of the triangle's sides.

1. Radius (R) = abc / 4√s(s-a)(s-b)(s-c)
2. s = (a + b + c) / 2

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circumcircle, circumference of triangle, radius a circle circumscribing known circumscribed equilateral isosceles triangle about r, an in circle, circle.
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