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Mathematics 21 Online
OpenStudy (anonymous):

In the figure, u ǁ v, and t is a transversal that crosses the parallel lines. What is m∠3? m∠3 = ° http://static.k12.com/calms_media/media/1561000_1561500/1561378/1/6b41bce60557d40ac04884c44345d73443e7afcd/MS_IMC-1401114-109113.jpg

OpenStudy (anonymous):

Since two parrellel lines are crossed by a tranversal, the corresponding angles are congruent. So angle 1 = angle 3

OpenStudy (anonymous):

180-42=138 so angle 1 is 138

OpenStudy (anonymous):

so angle 3=?

OpenStudy (anonymous):

138? @jackl

OpenStudy (anonymous):

yep!

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