If two angles are supplementary and one of them is 30 , what is the measurement of the second angle?
A. 90
B. 150
C. 60
D. 180
If two angles are supplementary and one of them is 30, the measurement of the second angle is 150?. Supplementary angles add up to 180 degrees.
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Asked 9/12/2012 10:37:34 AM
Updated 2/14/2014 8:28:28 AM
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