Answer:
Given, n║m,
→∠x and 149°,
→ Are co interior angles. →Sum of the co - interior angles is 180°.
Hence,
→∠x + 149° = 180.
→∠x = 31°.
Explanation:
x = 31
The angles shown are same side exterior angles. The lines are parallel and same side exterior angles are supplementary.
149+ x = 180
x = 180-149
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