∠A and ∠B are supplementary. If m∠A = 124°, what is the measure of ∠B?

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2015-11-03 21:19:38

supplementary angles, when added, equal 180 degrees A + B = 180 A = 124 124 + B = 180 B = 180 - 124 B = 56 <=== so m < B = 56

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∠A and ∠B are supplementary. If m∠A = 124°, what is the measure of ∠B?

ANSWERS

2015-11-03 21:19:38

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