SOLUTION: if the measures of an angle and its supplement are in the ratio 2:7, what is the measure of the lesser angle?

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Question 455960: if the measures of an angle and its supplement are in the ratio 2:7, what is the measure of the lesser angle?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+7x=19=180
9x=180
x=20
--------
2x=40
7x=140