In Fig., if AB || CD, ∠ APQ = 50° and ∠PRD = 130°, then ∠QPR i – InterviewSolution

1.

In Fig., if AB || CD, ∠ APQ = 50° and ∠PRD = 130°, then ∠QPR is (a) 130° (b) 50° (c) 80° (d) 30°

Answer»

(c) 80^o

We know that, ∠APR = ∠PRD … [because interior alternate angles]

∠APQ + ∠QPR = 130^o

50^o + ∠QPR = 130^o

∠QPR = 130^o – 50^o

∠QPR = 80^o

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