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# AA Similarity

## Two triangles are similar if two pairs of angles are congruent.

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

by CK-12 //basic

Use the AA Similarity Postulate to determine if triangles are similar.

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• Video

## Congruent and Similar Triangles

by CK-12 //basic

Explains congruent and similar triangles. Shows how to determine if triangles are similar.

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• Video

## AA Similarity Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on AA similarity

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• Video

## AA Similarity Examples - Basic

by CK-12 //basic

This video provides the student with a walkthrough of one or more examples from the concept "AA Similarity".

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• Video

## Similar Triangles Using Angle-Angle

by CK-12 //basic

Explains how to determine if two triangles are similar using AA similarity.

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• Flashcards

## AA Similarity Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from AA Similarity.

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