This powerpoint involves students in the discovery of triangle congruence theorems (ASA, SAS, SSS, SAA). The powerpoint guides students in 6 cases where they must draw triangles given dimensions, compare with other students, and decide (as a class) if the case determines a congruence theorem or not.This product is designed to be interactive, inviting all students to participate and work together to come to a conclusion. Not only does it promote active learning, but it also encourages communicati