# 45-45-90 Right Triangles

## Leg times sqrt(2) equals hypotenuse.

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Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
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## 45-45-90 Right Triangles

by CK-12 //basic
Apply the special properties of 45-45-90 right triangles.
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## 45 45 90 Triangles

by CK-12 //basic
Introduces 45-45-90 triangles.
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## 30-60-90 and 45-45-90 Triangles

by CK-12 //basic
This video will help you begin to develop the idea of common reference triangles.
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## Solving Special Right Triangles

by CK-12 //basic
Shows how to use the ratio of 30-60-90 and 45-45-90 right triangles to solve special right triangles.
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## Special Right Triangle: 45-45-90 Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on 45-45-90 right triangles.
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## Special Right Triangle: 45-45-90 Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Special Right Triangle: 45-45-90".
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