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Area of triangle question

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by kishore » Sat Jun 21, 2008 2:34 pm
Question 1:

find lenghts of each sides of traingles.

QP = 5
PR = 5
QR = sqrt(50)

since (QR)^2 = (QP) ^ 2 + (PR) ^ 2
Its an right angle triangle

A = 1/2 * B * H = 1/2* QP * PR = 1/2* 5 * 5 = 25/2 = 12.5

Question 2:

Ans) E
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