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03-10-2016
Mathematics

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A. an angle measures 78°. what is the measure of its supplement?

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xXinfinitestarsXx xXinfinitestarsXx

03-10-2016

Supplementary angles are two angles that have a sum of 180°.
78° + x - 78° = 180°- 78°

x = 102°

Its supplement is 102°

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