In triangle OBP and triangle ODQ, OB = OD, ∠POB = ∠QOD and alternate interior angles ∠OBP = ∠ODQ. By ASA congruence, triangle OBP ≅ triangle ODQ, proving OP = OQ; this direct triangle congruence is simplest. Cbse Class 9 Maths ...
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In triangle OBP and triangle ODQ, OB = OD, ∠POB = ∠QOD and alternate interior angles ∠OBP = ∠ODQ. By ASA congruence, triangle OBP ≅ triangle ODQ, proving OP = OQ; this direct triangle congruence is simplest. Cbse Class 9 Maths ...