SOLUTION: The measure of an angle is four times the measure of a supplementary angle. What is the measure of each angle?

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Question 520932: The measure of an angle is four times the measure of a supplementary angle. What is the measure of each angle?
Answer by lwsshak3(11628) About Me  (Show Source):
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The measure of an angle is four times the measure of a supplementary angle. What is the measure of each angle?
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let x=angle
180-x=supplement
x=4(180-x)
x=720-4x
5x=720
x=720/5=144
180-x=36
ans:
angle=144º
Its supplement=36º