In this video we'll learn how to solve for unknown values in two similar triangles. Similar triangles are triangles that have the same three interior angles, but different side lengths. If two triangles have the same three interior angles, then we can set up a proportion between their side lengths.

Streaming video file encoded with permission for digital streaming by Infobase on April 25, 2015.

Similar Triangles: Geometry-Dilations and Scale Factors --(4:52).