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What is the radius of the circle inscribed in triangle ABC if AB = 5, AC=6, BC=8? Express your answer in simplest radical form.

 May 27, 2021
 #1
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The radius is 2*sqrt(3).

 May 27, 2021
 #2
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a = 5      b = 6      c = 8

s = 1/2(a+b+c)

A = sqrt[s(s-a)(s-b)(s-c)]

r = A/s

 May 27, 2021

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