SOLUTION: The ratio of two supplementary angles is 3:6. What is the measure of the smaller angle ?

Question 531700: The ratio of two supplementary angles is 3:6. What is the measure of the smaller angle ?
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
The two angles have a ration of 3:6.
The two angles are supplements to they total 180 degrees.
The ratio of 3:6 means the 180 degrees has been split into 3+6 = 9 parts.
180/9 = 20 degrees per part
One angle is 3 parts, so it = 3*20 = 60 degrees.
The other is 6 parts, so it = 6*20 = 120 degrees.
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