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1. If two angles are supplementary and one of them is 30°, what is the measurement of the second angle? A. 90° B. 60° C. 180° D. 150°

Respuesta :

kphung76127
Supplementary angles always add up to 180 degrees.

180-30 degrees (known angle)= 150 degrees

Final answer: D
widowmaker
I took the quiz myself a little bit ago, the correct answer is of course, D. 

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