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If line m || line n and angle 2 measures 47 degrees, what is the measure of angle 5?

If line m || line n and angle 2 measures 47 degrees, what is the measure of angle-example-1
User Anchal
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Answer: 133 degrees

Explanation:

User Tkahn
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Angle 2 and 7 are alternate exterior angles, which are congruent...so angle 7 is also 47 degrees.
Angles 7 and 5 form a straight line (which = 180 degrees), so subtract the measure of angle 7 from 180 to find the measure of angle 5.
Angle 5 = 180-47=133 degrees
User AnupamD
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