SOLUTION: An angle and its suplement are at a ratio of 5:4, find the measure of each angle.

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Question 400489: An angle and its suplement are at a ratio of 5:4, find the measure of each angle.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
The angle plus its supplement equals 180 degrees. If the angle measures 5x then we can say that the supplement is 4x, and

5x + 4x = 180 --> 9x = 180 --> x = 20

Since the angle is 5x, then the angle measures 100 and its supplement is 80 degrees.