PQRS is a trapezium in which the length of the parallel sides PQ and RS is in the ratio 3 : 4. If the diagonals intersect at O, then find the ratio of area of ΔPOQ to ΔROS.
Explanation:
In ∆POQ and ∆ROS ∠OPQ = ∠ORS (Corresponding angles) ∠OQP = ∠OSR (Corresponding angles)
∴ ∆POQ ~ ∆ROS
⇒
(Since triangles are similar.)
Hence, option (b).
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