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Question

In Fig. below, if AB||CD, APQ = 50 and PRD = 127, find x and y.

A. 50,67
B. 50,77
C. 77,87
D. 77,97

A

,

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B

,

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C

,

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D

,

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Solution

The correct option is B (50,77)


Since AB||CD
So, the alternate interior angles of transversal PQ are equal
APQ=PQR

x=50
APR=PRD
(Alternate interior angles of transversal PR)
y+50=127
y=127 - 50
y=77


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