SOLUTION: The ratio of two supplementary angles is 2:7. What is the measure of the smaller angle?

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Question 523994: The ratio of two supplementary angles is 2:7. What is the measure of the smaller angle?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+7x=180
9x=180
x=180/9
x=20
2x=40 degrees