The sides AB,BC,CA of triangle ABC touch a circle with centre O and radius r at P,Q,R respectively Pr - Maths - Circles

Question

The sides AB,BC,CA of triangle ABC touch a circle with centre O and
radius r at P,Q,R respectively Pr That area of triangle ABC=1/2
perimeter of triangle ABC×r

Abhishek Kr. Jha · Accepted Answer

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The sides AB,BC,CA of triangle ABC touch a circle with centre O and radius r at P,Q,R respectively. Pr. That area of triangle ABC=1/2 perimeter of triangle ABC×r