Answer:
155
Explanation:
its the only angle larger than 90 degrees and 90 degrees is a right angle
6x + 1 = 2x +17 ( alternate interior angles)
6x - 2x = 17 - 1
4x = 16
x = 16/4
x = 4.
now, 6(4) + 1 = 25
then, 25 + y = 180 (co-interior angles)
=> y = 155
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