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Special Right Triangles

Special Right Triangles

Author: Fred Hennen

To understand the relationships between the sides of special right triangles (30-60-90 and 45-45-90).
To be able to find the missing sides of special right triangles when given the length of one side.

In this packet one can learn about the ratios of side lengths of special right triangles. Descriptions of the ratios will be given as well as examples problems with solutions to help to develop a better understanding of these ratios.

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Background Knowledge

Special Right Triangles

This video will show the relationship of the sides of special right triangles. Included in the video are a few examples on how to apply the relationship of the sides for each of the special right triangles (45-45-90 and 30-60-90).

Test Your Understanding

This video will offer you an opportunity to check your understanding of special right triangles.