If a supplement of an angle is 20 more than 3 times a complement, then the measure of the angle is?

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11-10-2020
Mathematics

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If a supplement of an angle is 20 more than 3 times a complement, then the measure of the angle is?

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almarzooqiabdulazeee almarzooqiabdulazeee · Answer 1 · 2020-10-11T14:48:50+02:00

almarzooqiabdulazeee almarzooqiabdulazeee

11-10-2020

Let the angle be x
therefore,Its supplement is 180-x and its complement is 90-x
According to the problem
180-x=3(90-x)+20
=>180-x=270-3x+20
=>-x+3x=270+20-180=110
=> 2x=110
x=55

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