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Question

In Fig. 97, if AB is parallel to CD, then the value of ∠BPE is
(a) 106°
(b) 76°
(c) 74°
(d) 84°

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Solution

Since, AB || CD
∴ ∠BPQ = ∠PQC [Alternate interior angles]
⇒ (3x + 34) = (5x − 14)
⇒ 3x + 34 = 5x − 14
⇒ 48 = 2x
⇒ x = 24
∴ ∠BPQ = (3 × 24 + 34) = 106
∠BPQ + ∠BPE = 180 [EF is a straight line]
⇒ 106 + ∠BPE = 180
⇒ ∠BPE = 74
Hence, the correct answer is option (c).

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