supplementary angles?
Angle A and Angle B are supplementary angles. The measure of Angle B is 30 degrees more than twice the measure of Angle A. Find the measure of the two angles.
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Angle A = x
Angle B = 30+2x
Because they are supplementary:
x+(30+2x)=180
-30 -30
x+2x=150
3x=150
x=50 degrees
angle A = 50 degrees and angle B = 130 degrees