Q. 16 B3.5( 4 Votes )

# In the given figure AB || CD, ∠APQ = 50° and ∠PRD = 120°. Find ∠QPR.

According to question,

PRD = 120O

PRD = APR (Pair of alternate interior angles)

So,

APR = 120

APQ + QPR = 120

50 + QPR = 120

QPR = 120 – 50

= 70O

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