# Interactive video lesson plan for: ☆ TRIANGLE PROOFS: SAS or ASA?

#### Activity overview:

Join us on this flipped math lesson where we visually compare the difference between the SAS and ASA triangle congruence theorems. For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :)

This lesson answers the questions: What is SAS? What is ASA? What is the difference between SAS and ASA? How do I prove that two triangles are congruent?

Our lessons are perfect for flipped classroom math teachers and students. This lesson is aligned with the common core learning standards for math and the SAT math curriculum as well.

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