Congruence in Right Triangles and Overlapping Triangles

What are the Legs and Hypotenuse of a Right Triangle?

Looking for some terminology used with right triangles? Then this tutorial was made for you! In this tutorial, you'll be introduced to the names for the different parts of a right triangle. Check it out!
How Do You Prove that Two Overlapping Triangles are Congruent?

Proofs are an important part of geometry. This tutorial shows you how to use given information to prove that two overlapping triangles are congruent!
How Do You Identify Common Parts in Overlapping Triangles?

It might seem like a challenge to make sense of figures with overlapping triangles, but it's not so difficult! This video gives some commonsense advice for identifying common angles and common sides in these figures.
What is the Hypotenuse-Leg Congruence Theorem?

There's a special theorem that helps you quickly figure out if two right triangles are congruent. This tutorial introduces you to that theorem and shows you how to use it!