What is the Alternate Interior Angle Converse Theorem

The video tutorial explains how to determine if two lines are parallel. Initially, it discusses the basic method of identifying parallel lines by stating that line l is parallel to line m. The teacher then introduces the concept of using a transversal line to determine parallelism by checking if alternate interior angles are congruent. The tutorial includes examples to illustrate these concepts, emphasizing the importance of recognizing equal alternate interior angles to confirm parallel lines.

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