lindafhoney lindafhoney

13-07-2018
Mathematics

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Angle B measures 60°. What is the measure of the angle that is complementary to angle B?

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sqdancefan sqdancefan

13-07-2018

Complementary angles total 90°.

∠A + ∠B = 90°

∠A + 60° = 90° . . . . substitute the given information

∠A = 30° . . . . . . . . . subtract 60° from both sides of the equation

The angle that is complementary to ∠B measures 30°.

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