SOLUTION: The ratio of two supplementary angles is 20:30. What is the measure of the smaller angle?
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Question 922130: The ratio of two supplementary angles is 20:30. What is the measure of the smaller angle?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
20x+30x=180
50x=180
x=180/50
x=3.6
30x=108
20x=72
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