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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.
• Read

## Equilateral Triangles

by CK-12 //at grade

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

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• PLIX

## Equilateral Triangles

by CK-12 //at grade

Equilateral Triangles Interactive

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• Video

## Equilateral Triangles Principles

by CK-12 //at grade

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

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• Video

## Equilateral Triangles Examples

by CK-12 //at grade

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

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• Downloadable Quiz

## Equilateral Triangles Quiz

by CK-12 //at grade

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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• Practice
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## Equilateral Triangles Practice

by CK-12 //at grade
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• Interactive Exercise

## Equilateral Triangles True or False

by CK-12 //at grade

Asks a true false question about triangle classification.

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• Critical Thinking

## Equilateral Triangles Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Equilateral Triangles.

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• Pre Read

## Equilateral Triangles Pre Read

by CK-12 //at grade

To encourage students to generate questions, activate their prior knowledge, and collect information to answer their own questions using a Question and Answer Table.

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• Post Read

## Equilateral Triangles Post Read

by CK-12 //at grade

To encourage students to generate questions, activate their prior knowledge, and collect information to answer their own questions using a Question and Answer Table.

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• While Read

## Equilateral Triangles Stop and Jot Table

by CK-12 //at grade

Learn new vocabulary words and help remember them by coming up with your own sentences with the new words using a Stop and Jot table.

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• Real World Application

## Equilateral Triangles

by CK-12 //at grade

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

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• Study Guide

## Triangle Relationships Study Guide

by CK-12 //at grade

This study guide reviews terminology for triangles, different types of triangles, and interior and exterior angles theorems.

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