SOLUTION: The ratio of two supplementary angles is 20:30. What is the measure of the smaller angle?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The ratio of two supplementary angles is 20:30. What is the measure of the smaller angle?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 922130: The ratio of two supplementary angles is 20:30. What is the measure of the smaller angle?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
20x+30x=180
50x=180
x=180/50
x=3.6
30x=108
20x=72