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24 votes
24 votes
Angle and Parallel Line Proofs

User Scott Wolf
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1 Answer

12 votes
12 votes
If two lines are cut by a transversal so the alternate interior angles are congruent, then the lines are parallel. If two lines are cut by a transversal so the alternate exterior angles are congruent, then the lines are parallel.
User Savio Mathew
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2.6k points
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