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# Circumcircle of a triangle

##### This online calculator determines the radius and area of the circumcircle of a triangle given the three sides
Timur2011-06-24 21:15:14

Yet another triangle calculator, for those who needed radius of triangle circumcircle.
Radius can be found like this:
$R = \frac {abc}{4S}$
where S, area of triangle, can be found using Hero's formula

Calculator determines radius, and having radius, area of circumcircle, area of triange and area ratio - just for reference

##### Circumcircle of a triangle

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