In this lesson, we review all of the major concepts of similar triangles that we have covered thus far: solving proportions, finding scale factor, and solving for missing sides.

We also introduce the three ways that can prove two triangles are similar:

- Side-Side-Side Similarity (SSS~)
- Angle-Angle Similarity (AA~)
- Side-Angle-Side Similarity (SAS~)

Dec. 11 Proving Triangles Similar

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