Similar Triangles (Jump to: Lecture | Video )

Similar Triangles

Similar Triangles are Triangles that have the same shape, but not necessarily the same size.

Figure 1.
Corresponding Sides

In Similar Triangles, the corresponding sides are proportional.

For example, 3/6 = 4/8 = 5/10.

Corresponding Angles

In Similar Triangles, the corresponding angles are also all the same.

In this example, the purple, green, and red angles are all the same.


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