Seven helpful resources for proving triangles are congruent
There are five methods used to prove that triangles are congruent. The five methods are:
Angle side Angle ( ASA)
Side Side Side ( SSS)
Angle Angle Side ( AAS )
Hypotenuse Leg for right triangles ( HL )
Side Angle Side ( SAS)
The following resources should help you understand how to prove that two or more triangles are congruent.
Regents Prep Center This site is a school district website and provides helpful information. This page lists and defines all of the methods used to prove congruency of triangles
Virtual Nerd This is a really helpful video that explains what congruent triangles are and how to use angle side angle
MooMooMath Video This video gives an overview of each of the five methods used to prove triangles are congruent
Proofs for congruent triangles This page has 10 proofs for proving that triangles are congruent with step by step directions for solving the proofs. This can be really helpful.
Methods for proving triangles are congruent This page illustrates and defines each of the five methods for proving congruency
Congruence Activity This activity allows you to investigate congruency by trying to create two congruent triangles
Congruency Song This video is a little different but I found it helpful. It is a very low tech song of the five methods but it does help you remember the five methods for proving triangle congruency.
Leave a comment if you have additional resources that you have found to be helpful