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Two angles are supplementary. The first angle measures 60°. What is the measurement of the second angle?

A. 120°
B. 90°
C. 180°
D. 30°

Respuesta :

texaschic101
supplementary angles add up to 180 degrees.

so if one angle is 60 degrees, then the other angle is (180 - 60) = 120 

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