09-12-2016
Mathematics

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Angle x is (2n+12) and angle y is (3n+18). Find the measure of angle x

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alkhalidisara alkhalidisara

09-12-2016

X and Y are supplementary angles. The sum of the supplementary angles is 180.

So, X + Y = 180
180 = 2n+12 + 3n + 18
180 = 5n + 30
5n = 150
n = 30

X = 2n+12
X = 2(30) + 12
X = 72

Y = 3n + 18
Y = 3(30) + 18
Y = 108

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