SOLUTION: find the angle whose supplement is four times its complement.(with explanation please)

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Question 261643: find the angle whose supplement is four times its complement.(with explanation please)
Answer by mananth(16949) About Me  (Show Source):
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find the angle whose supplement is four times its complement.(with explanation please)
let one angle be x
the other angle = 180-x supplement
90-x = compliment
180-x=4*(90-x) supplement is 4 times compliment
180-x = 360 -4x
3x= 360-180
3x=180
X=60 deg
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