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momoluvgd
In the figure below, lines p and q are parallel. The measure of angle 1 is 162 degrees. What is the measure of angle 3? Explain how you know.
1 and 3 are vertically opposite angles, hence they are equal |dw:1362264533107:dw|
Angles 1 and 3 are vertical angles and are congruent. They have the same measure.