if ∆abc ~ ∆pqr and ab =4 cm pq=9 cm and A(∆ABC)=144 SQ cm then find A(∆PQR)
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If ∆ABC~∆POR, ar (AABC)/ar (APQR) =9/4 cm and PQ=8 cm, then find the value of AB
Ar(∆ABC)/ar∆PQR =9/4
AB^2/PQ^2=9/4
AB^2/64=9/4
AB^2=64×9)/4
=16×9
=144
AB=√144=12cm.
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