04-09-2018
Mathematics

contestada

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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