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Question

In the given figure, AB || CD || EF and GH || KL. Find x.
725894_22813071aabe4c209b9bd4cc7775e39a.png

A
85o
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B
145o
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C
120o
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D
95o
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Solution

The correct option is B 145o
CHG and GHD are supplementary angles.
CHG + GHD=180
GHD=120
We can observe that GHK and HKL are alternate interior angles.
HKL=GHK
HKL=GHD+DHK
HKL = 145
Hence, option B is correct.

750274_725894_ans_f118bfd005d544afb0464cbe9a904135.png

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