SOLUTION: (a) An angle measures 55 degree. What is the measure of its supplement?

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Question 151515: (a)
An angle measures 55 degree. What is the measure of its supplement?
Answer by jim_thompson5910(21667) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=measure of supplement angle

Supplemental angles add up to 180 degrees. So that means that 55%2Bx=180


55%2Bx=180 Start with the given equation.


x=180-55 Subtract 55 from both sides.


x=125 Combine like terms on the right side.


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Answer:

So the answer is x=125 which means that the measure of the supplement angle is 125 degrees