In this triangle theorems worksheet, students identify the theorem used to prove the specified triangular relationship. Students are shown an illustration of two or more triangles. They identify the postulate that would be used to prove...

In this triangle congruence activity, learners select the postulate that is being illustrated to prove congruence between triangles. The activity is self-scoring. Once students select the "check your work" link, they are given their...

In this geometry learning exercise, students identify the different ratios of triangles using the theorems. They use SSS, SAS, ASA and AAS to differentiate between triangles. There are 7 questions with an answer key.