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# Equilateral Triangles

## Properties of triangles with three equal sides.

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.

## Equilateral Triangles

This concept will teach students the properties of equilateral triangles and how to apply them to solve problems.
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## Equilateral Triangles

Equilateral Triangles Interactive
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## Equilateral Triangles Principles

This video gives more detail about the mathematical principles presented in Equilateral Triangles.
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## Equilateral Triangles Examples

This video shows how to work step-by-step through one or more of the examples in Equilateral Triangles.
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## Equilateral Triangles Quiz

Eleven question quiz. Students will solve for missing angles and sides of equilateral triangles using basic arithmetic and algebra. One question involves the exterior angle theorem.
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• Critical Thinking

## Equilateral Triangles Discussion Questions

A list of student-submitted discussion questions for Equilateral Triangles.
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• Real World Application

## Equilateral Triangles

Is astronomy without a telescope possible? How are equilateral triangles involved?
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• Study Guide