1.

In the trapezium PQRS, PQ is parallel to RS and the ratio of the areas of the triangle POQ to triangle ROS is `225: 900` . Then `SR=` _________. A. 30 PQB. 25 PQC. 2 PQD. PQ

Answer» Correct Answer - C
(i) POQ and ROS are similar triangles.
(ii) SR and PQ are proportional to the square roots of the areas of similar triangles SOR and POR.


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