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Special Right Triangles

Special Right Triangles

Author: Seth Marx
Description:

Understand how to spot 45-45-90 and 30-60-90 triangles, and use the side ratios for each respective special right triangle to figure out the side measurements of the shapes.

This packet explains the special right triangle types - 45-45-90 and 30-60-90 - and proves the side ratios and how to use them in real life examples.

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Tutorial

New Terms

45-45-90 Triangles

This video shows a visual on 45-45-90 triangles and the special ratios, etc. that apply to them.

45-45-90 Triangles Problem

Here is a real life example using 45-45-90 triangles.

30-60-90 Triangles

This video explains the ratios of the sides in 30-60-90 triangles.

30-60-90 Triangles Problem

Here is a real life example problem involving a 30-60-90 triangle.