Math, asked by vijayakeshavbhat, 11 months ago

construct a triangle PQR with PQ=12cm,QR=13cm,PR=5cm.construct its incircle .what is its inradius?

Answers

Answered by Vishakhamankame

2

Answer:

$12 {}^{2} = 13 { }^{2} + 5 {}^{2} \\ 144 = 169 + 25 \\ 144 = 194 \\ = 194 - 144 \\ = 50$

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