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# AA Similarity

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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.

## AA Similarity

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

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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• Video

## AA Similarity Examples

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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• Interactive Exercise

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

Checks your understanding of proportional figures.

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• Interactive Exercise

## Which Similarity Theorem (part 2)?

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Type of Similarity (part 2)?

Checks your understanding of similar triangles.

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• Practice

## AA Similarity Practice

Practice AA Similarity questions

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• Interactive Exercise

## How are Triangles Similar by AA?

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Triangle AA Similarity True or False

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Triangle AA Similarity and Proportionality True or False

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

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

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

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

Checks your understanding of AA Triangle Similarity.

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• Interactive Exercise

## Given Two Triangles, Are They Similar?

Checks your understanding of similar triangles.

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• Interactive Exercise

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

Checks your understanding of proportional figures.

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• Interactive Exercise

## Similarity by AA, SSS or SAS?

Checks your understanding of how triangles can be similar.

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• Interactive Exercise

## Similarity Test True or False

Checks your understanding of the Similarity Test.

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• Interactive Exercise

## Which Similarity Theorem?

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Type of Similarity?

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Similarity Theorem (part 2)?

Checks your understanding of similar triangles.

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• Interactive Exercise

## Which Type of Similarity (part 2)?

Checks your understanding of similar triangles.

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• Critical Thinking

## AA Similarity Discussion Questions

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

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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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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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## AA Similarity Four Square Concept Matrix

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

How do you measure the height of the great pyramid?

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• Real World Application

## Crazy Quilt

Find out how similar triangles are used in quilting.

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• Study Guide