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Svetach [21]
3 years ago
12

Two angles are supplementary if the sum of their measures is 180 degrees. find two supplementary angles such that the smaller is

30 degrees more than one-half of the larger.
step by step please
Mathematics
1 answer:
kaheart [24]3 years ago
8 0
If the larger angle is x and the smaller angle is y, y=(1/2)x+30 since it's 30 more than 1/2 of it. In addition, x+y=180 since they are supplementary. Plugging y=(1/2)x+30 into that, we get x+x/2+30=180=1.5x+30. Subtracting 30 from both sides, we get 1.5x=150. Next, we can divide both sides by 1.5 to get x=100 and y=(1/2)*100+30=50+30=80
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