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22-08-2016
Mathematics

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If two angles are supplementary and one angle measures 113, what is the measures of the other angle?
A 113
B 87
C 67
D 37

Respuesta :

22-08-2016

Supplementary means they add up to 180

Lets say x is the angle we're looking for.

x + 113 = 180.

We want to isolate x. To do so, we subtract by 113 on both sides

x + 113 - 113 = 180 - 113

x = 67

C is the correct answer.

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