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# SSS Similarity

## Triangles are similar if their corresponding sides are proportional.

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.
• Video

## SSS Similarity Principles

by CK-12 //at grade

This video gives more detail about the mathematical principles presented in SSS Similarity.

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• Video

## SSS Similarity Examples

by CK-12 //at grade

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

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• Interactive Exercise

## Are The Two Triangles Similar (part 2)?

by CK-12 //at grade

Checks your understanding of proportional figures.

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• Interactive Exercise

## True or False--Are the Triangles Similar by SSS?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Similarity Theorem (part 2)?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Type of Similarity (part 2)?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Practice
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## SSS Similarity Practice

by CK-12 //at grade
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• Interactive Exercise

## How are Triangles Similar by AA?

by CK-12 //at grade

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Triangle AA Similarity True or False

by CK-12 //at grade

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Triangle AA Similarity and Proportionality True or False

by CK-12 //at grade

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Given Some Information About Two Triangles, Are They Similar

by CK-12 //at grade

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Given Some Information About Two Triangles, Are They Similar (part 2)

by CK-12 //at grade

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Given Two Triangles, Are They Similar?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Are The Two Triangles Similar (part 2)?

by CK-12 //at grade

Checks your understanding of proportional figures.

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• Interactive Exercise

## Similarity by AA, SSS or SAS?

by CK-12 //at grade

Checks your understanding of how triangles can be similar.

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• Interactive Exercise

## Similarity Test True or False

by CK-12 //at grade

Checks your understanding of the Similarity Test.

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• Interactive Exercise

## True or False--Are the Triangles Similar by SSS?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Solve--What is the Value of x?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Are the Triangles Similar by SSS?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Given Proportional Triangles, Solve for x

by CK-12 //at grade

Checks your understanding of proportional triangles.

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• Interactive Exercise

## Which Similarity Theorem?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Type of Similarity?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Similarity Theorem (part 2)?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Type of Similarity (part 2)?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Are The Triangles Similar by SAS?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Interactive Exercise

## Given SSS Similar Triangles, What is x?

by CK-12 //at grade

Checks your understanding of similar triangles.

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• Critical Thinking

## SSS Similarity Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for SSS Similarity.

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## SSS Similarity Pre Read

by CK-12 //at grade

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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## SSS Similarity Post Read

by CK-12 //at grade

To organize ideas, increase comprehension, synthesize learning, demonstrate understanding of key concepts, and reinforce vocabulary using a Quickwrite.

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## SSS Similarity Ask, Answer, Learn Table

by CK-12 //at grade

Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.

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• Real World Application

## AAA Similarity

by CK-12 //at grade

How do you measure the height of the great pyramid?

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• Real World Application

## Crazy Quilt

by CK-12 //at grade

Find out how similar triangles are used in quilting.

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• Study Guide

## Polygon Similarity Study Guide

by CK-12 //at grade

This study guide looks at similar polygons, scale factor (ratio), and triangle similarity.

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