Circumcircle of a triangle
This online calculator determines the radius and area of the circumcircle of a triangle given the three sides
Yet another triangle calculator for those who needed radius of triangle circumcircle.
Radius can be found like this:
where S, area of triangle, can be found using Hero's formula
The calculator determines radius and having a radius, area of the circumcircle, area of the triangle, and area ratio - just for reference
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PLANETCALC, Circumcircle of a triangle