Question

In the given figure, angle 1 and angle 2 are supplementary angles . If angle 1 is decreased,what changes should take place in angle 2 so that both the angles still remain supplementary.​

Answer 1

If angle 1 is decreased, so angle 2 will be increase so that both the angles still remain supplementary.

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Answer 2

Answer:

∠1+∠2=180° (linear pair)

=> ∠1,∠2 are supplementary ,

as ∠1 decreases then ∠2 increases

but still ∠1+∠2=180°

hence ∠1, ∠2 are still supplementary .

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