PQR is a triangle, right angled at p. If PQ is 10 CM and PR is 2.4 . find QR
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right angle at P
<P= 90•
According to the phythagorus theorem:
(perpendicular)^2 + (Base)^2 = (Hypotenuse)^2
(PQ)^2. + (PR)^2. = (QR)^2
(10)^2. +.( 2.4)^2.
100 +. 5.76.
QR^2. =. 105.76
QR=. 10.28. = ANS
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