Question

Angles X and Y are supplementary. Angle X is 3 times the measure of angle Y. What is the measure of angle X?

45°
60°
120°
135°
please ansewer fast

Answer 1

Answer:

45

Step-by-step explanation:

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Answer 2

Angles are
X and 180-x
Where 180-x = y because they are supplementary

Now


x = 3(180-x)
x= 540-3x
4x = 540
x = 540/4 = 135

x = 135