Question

properties of parallel lines with transversal ( interior , exterior , alternate corresponding angles)
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Answer 1

Step-by-step explanation:

If two parallel lines are cut by a transversal, the alternate interior angles are congruent. If two lines are cut by a transversal and the alternate interior angles are congruent, the lines are parallel. Alternate Exterior Angles: The word "alternate" means "alternating sides" of the transversal.