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Question

In the figure given below, if l is parallel to m and t is the transversal, then find the value of x .

A
15°
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B
25°
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C
35°
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D
45°
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Solution

The correct option is C 35°
Given l is parallel to m.
Hence, they form co-interior angles and they are supplementary.

(2x+43)° + (2x-3)° = 180°
4x + 40° = 180°
4x = 140°
x = 35°

Hence the value of x is 35°.

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