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# AA Similarity

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

## AA Similarity

by CK-12 //at grade

This concept teaches students how to identify whether or not two triangles are similar using AA Similarity.

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• Video

## AA Similarity Principles

by CK-12 //at grade

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

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• Video

## AA Similarity Examples

by CK-12 //at grade

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

## 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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## AA 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

## 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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• Critical Thinking

## AA Similarity Discussion Questions

by CK-12 //at grade

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

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• Pre Read

## AA Similarity Pre Read

by CK-12 //at grade

To stimulate the critical thinking skills required to assess the validity of statements about the key concept using an Agree/Disagree Table.

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• Post Read

## AA Similarity Post Read

by CK-12 //at grade

To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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• Post Read

## AA Similarity Four Square Concept Matrix

by CK-12 //at grade

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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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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