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# 30-60-90 Right Triangles

## Hypotenuse equals twice the smallest leg, while the larger leg is sqrt(3) times the smallest.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## 30-60-90 Right Triangles

by CK-12 //at grade
This concept teaches students about the 30-60-90 special right triangle and how to apply its properties.
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## 30-60-90 Triangles

by CK-12 //at grade
Learn about 30-60-90 right triangles.
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• PLIX

## Yield Sign

by CK-12 //at grade
30-60-90 Right Triangles Interactive
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• Video

## 306090 Right Triangles Principles

by CK-12 //at grade
This video gives more detail about the mathematical principles presented in 306090 Right Triangles.
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• Video

## 306090 Right Triangles Examples

by CK-12 //at grade
This video shows how to work step-by-step through one or more of the examples in 306090 Right Triangles.
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## 30-60-90 Right Triangles Quiz

by CK-12 //at grade
Ten question quiz. Students must solve for the missing sides of 30-60-90 triangles.
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• Critical Thinking

## 30-60-90 Right Triangles Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for 30-60-90 Right Triangles.
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• Real World Application

## Fighting the War on Drugs Using Geometry and Special Triangles

by CK-12 //at grade
Why should drug dealers study their geometry?
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• Real World Application

## Home Angles

by CK-12 //at grade
Find out how to build your own triangle climbing wall volume.
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• Study Guide

## Special Right Triangles Study Guide

by CK-12 //at grade
The special triangles 45-45-90, 30-60-90, and equilateral triangle are covered in this study guide.
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