Alternate Exterior Angles Proof Theorum: If two parallel lines are cut by a transversal, the alternate exterior angles are congruent.
Given: a b with transversal t
|1) a b with transversal t||1) Given|
|2) 1 5||2) Parallel Lines Postulate|
|3) 5 7||3) Vertical Angle Theorum|
|4) 1 7||4) Transitive Property|
- Jaime III
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