Find the measurement of one of the vertical angles .
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Answer:
x = 15 degrees, one vertical angle is 165 degrees
Step-by-step explanation:
3x = x + 30
3x - x = 30
x(3-1) = 30
2x=30
x=15
All the angles need to add up to 360 degrees.
15 + 15 + 2y = 360
2y = 330
y=165