In the figure the line segment MN is parallel to side QR of triangle PQR.If PM=9cm ,MQ=2cm and area of quadrilateral( MQRN)=40cm² then find area of triangle PMN.
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Answer:
81cm^2
Step-by-step explanation:
Since,TrianglePQR is similar to TrianglePMN
This implies (PQ/PM)^2=A[PQR]/A[PMN]
on solving we get the ans
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