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What Transformation Proves Corresponding Angles Are Congruent? [Solved]
By forming parallel lines with a translation students see corresponding angles are congruent. Then they form parallel lines with a 180 degree rotation and see alternate interior angles are congruent.
PROOF: Corresponding angles are congruent. Geometry; episode #9
You can also
Geo: Lesson 1.4.2 - Proving Base Angles are Congruent (Transformations)
via YouTube Capture.
