5 times the measure of the complement of an angle is to equal to 2/3 the measure of the original angle's supplement. what is the measure of the angle?

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asked Apr 21, 2017 60.9k views

1 vote

5 times the measure of the complement of an angle is to equal to 2/3 the measure of the original angle's supplement. what is the measure of the angle?

Mathematics
high-school

Jerome Indefenzo asked

by Jerome Indefenzo

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1 Answer

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Let x be the measure of the angle. The mathematical equation of the problem is
5(90-x) =
(2)/(3)

(180-x)

$(450 - 5x) = (2)/(3)(180 - x) \\ 3(450 -5x) = 360 - 2x \\ 1350 -15x =360 -2x \\ 15x - 2x = 1350 - 360 \\ 13x = 990 \\ x=76.15 The measure of the angle is 76.15$ °

Gaston Flores answered Apr 27, 2017