Online College Courses for Credit

SAS Triangle Similarity

SAS Triangle Similarity

Author: Craig Coletta

This lesson will provide examples that demonstrate how two triangles would be similar by SAS triangle similarity.

See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

Begin Free Trial
No credit card required

29 Sophia partners guarantee credit transfer.

312 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


If two sides of each of a pair of triangles are in the same proportion AND the angles BETWEEN those sides (corresponding angles) are identical, the triangles are similar. Watch to learn why.