This concept teaches students what it means for two triangles to be congruent and how to identify corresponding parts of congruent triangles.
This video gives more detail about the mathematical principles presented in Congruent Triangles.
This video shows how to work step-by-step through one or more of the examples in Congruent Triangles.
A list of student-submitted discussion questions for Congruent Triangles.
Find out how you can build structurally efficient domes from triangles.
How did the Egyptians build pyramids made up perfect congruent triangles?
This study guide is an overview of triangle congruence: defining corresponding parts of congruent triangles, postulates and theorems for congruences (SSS, SAS, AAS, ASA), and postulates and theorems for congruences for special triangles.