Question

PQRS is a trapezium in which PQ||SR and ∠P = 120°, ∠Q =100°. Write measure of ∠R

Answer 1

Ans:- PQ || SR and QR is a transversal then,

=> Q + R = 180° (by co-interior angle)

=> 100 + R = 180°

=> R = 80°

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