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1.The illustration below shows two supplementary angles, ∠A and ∠B. The measure of ∠B is 110°. What is the measure of ∠A?

User Zarthross
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1 Answer

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supplementary angles = 180

angle A = 180 - angle B

angle A = 180 - 110

Angle A = 70 degrees
User Richard McKechnie
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