Question

What is the formula to find the radius of
circle inscribed in a triangle​

Answer 1

Answer:

For any triangle △ABC, let s = 12 (a+b+c). Then the radius r of its inscribed circle is r=Ks=√s(s−a)(s−b)(s−c)s. Recall from geometry how to bisect an angle: use a compass centered at the vertex to draw an arc that intersects the sides of the angle at two points.

Answer 2

Answer:

s = 12

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