how to find inradius of the triangle when vertices are given.
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By Heron's Formula the area of a triangle with sidelengths a,b,c is K=√s(s−a)(s−b)(s−c), where s=12(a+b+c) is the semi-perimeter. You can then use the formula K=rs to find the inradius r of the triangle. R=√5197535=3√2317.
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