# Week 6 Day 2 Learning Goals

In the last activity we started exploring the idea of proof (you proved vertical angles were are congruent first by using translations and then again using rotations). Today we are going to continue the idea of proof again using what we know about rigid transformations.
Learning Targets:
I can prove corresponding angles are congruent.
I can prove alternate interior angles are congruent.
I can prove the angles in a triangle sum to 180 degrees.

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