Geometry 4.5b, Side-Angle-Side (SAS) congruence & construct triangles using SAS

A review of the meaning of an included angle, an explanation of Side-Angle-Side congruence, why the order of the letters are so important, why SSS and SAS congruence postulates are shortcuts, how to construct congruent triangles using SAS, an example of verifying triangle congruence using SSS and another example for SAS, and a two-column proof proving triangles congruent with SAS.

High School Geometry Playlist
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