04-09-2018
Mathematics

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The measure of the supplement of an angle is 40 more than two times the measure of the complement of the angle. find the measure of the angle

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BrainlyShelly BrainlyShelly

04-09-2018

supp. of angle= 180-x
comp. of angle= 90-x

180-x= 40+2(90-x)
180-x=40+180-2x
180-x=220-2x
-40-x=-2x
-40=-x
x=40

180-40=140

unknown angle= 140°

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