SOLUTION: the measure of an angle is 12 degrees less than twice the measure of its supplement. what is the measure of the angle?
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Question 201515: the measure of an angle is 12 degrees less than twice the measure of its supplement. what is the measure of the angle?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x+y=180 degrees.
x=2y-12
(2y-12)+y=180
3y-12=180
3y=180+12
3y=192
y=192/3
y=64 degrees.
180-64=116 degrees.
Proof:
64+116=180
180=180
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