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@kunal_justdoit

Posted 01 Sep '06

> *#problem 198*
*The inscribed circle of triangle ABC touches side AB at P.Given that its radius is 21 and AP=23 and BP=27 find the perimeter of triangle ABC.*
let the point at which the circle touches the side AC and BC be Q and R resp.
then AP=AQ and BP=BR (tangents frm the same poi...

#problem 198The inscribed circle of triangle ABC touches side AB at P.Given that its radius is 21 and AP=23 and BP=27 find the perimeter of triangle ABC.

let the point at which the circle touches the side AC and BC be Q and R resp.

then AP=AQ and BP=BR (tangents frm the same point are equal in length)

now to find CR we can use the inradius and circumr relation(which i dont remember right now ??:) . then apply pytho ie.. OC=CR+OR

NOW add all sides and come out with flying colours

I DON KNW IF THAT IS RIGHT or one of my mindless attempts

U NEVER WIN THE SILVER...U ALWAYS LOOSE THE GOLD

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