SOLUTION: One of two supplimentary angles is twice the size of the other. What are the measures of the angles?

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Question 266894: One of two supplimentary angles is twice the size of the other. What are the measures of the angles?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+2x=180
3x=180
x=60 degrees
2x=120 degrees