SOLUTION: An angle is three times as large as its supplement. What are the measures of the two angles?

Algebra ->  Angles -> SOLUTION: An angle is three times as large as its supplement. What are the measures of the two angles?       Log On


   

Question 873469: An angle is three times as large as its supplement. What are the measures of the two angles?
Answer by ben720(159) About Me  (Show Source):
You can put this solution on YOUR website!
An Angle (A) is 3*(180-A)
A=3%28180-A%29
Distribute
A=540-3A
Add 3A to both sides
4A=540
Divide both sides by 4
A=135
The angle is 135 degrees and its supplement is 45 degrees.