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Question

In the following figure, m || QR. Find the measure of ∠QPR.

A
80°
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B
85°
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C
90°
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D
95°
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Solution

The correct option is B 85°

In the given figure, ∠x = ∠QRP = 45°(Alternate interior angles)
50° + ∠QPR + ∠x = 180° (Straight angle)
QPR=180°50°45°
QPR=85°

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