SOLUTION: the measures of two supplementary angles are in the ratio of 7:5. Which value is the measure of the smallest angle?

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Question 340202: the measures of two supplementary angles are in the ratio of 7:5. Which value is the measure of the smallest angle?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
7x+5x=180
12x=180
x=15
7x=105 degrees
5x=75 degrees