## SSS, SAS, ASA, & AAS Triangle Congruence

SSS, SAS, ASA, & AAS Triangle Congruence
• Currently 4.0/5 Stars.
19295 views, 3 ratings - 00:10:14
Part of video series Triangles
Taught by MrRutter

### Meets NCTM Standards:

Learn about the four ways to check for triangle congruence.
• What are SSS, SAS, ASA, and AAS in Geometry?
• How do you prove that two triangles are congruent?
• What is the difference between AAS and ASA?
• How do you write a two-column proof of triangle congruence?
• Given that S is the midpoint of QT and QR is parallel to TU, how do you prove that triangle QSR is congruent to triangle TSU?
• What does it mean when two parallel lines are cut by a transversal?
• What is true about alternate interior angles?
• How do you start a triangle congruence proof?
• What is the first statement in a congruence proof?
• What do you write under the reason column in a two-column proof?
This is a great review lesson for anyone struggling with proving triangle congruence. Not only do you see how to write a two-column proof for a specific example of two triangles, but you will learn all the reasoning behind the statements and why it works.
• Currently 3.0/5 Stars.
Reviewed by MathVids Staff on April 18, 2009.