The two horizontal lines in the diagram below are parallel. We are also given the measure of one angle in the diagram. Find the value of c

The two horizontal lines in the diagram below are parallel. We are also given the measure of one angle in the diagram. Find the value of c.

Hello Guest!

d = 120° alternating angles at parallels

c = 180°- d = 180° - 120°

c = 60°

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