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# SAS Similarity

## Triangles are similar if two pairs of sides are proportional and the included 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.

## SAS Similarity

by CK-12 //basic
Use the SAS Similarity Theorem to determine if triangles are similar.
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## SAS Similarity

This concept teaches students to decide whether or not two triangles are similar using SAS Similarity.
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## SAS Triangle Similarity

Prove and use the SAS criterion for triangle similarity.
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## SAS Similarity

This concept teaches students to decide whether or not two triangles are similar using SAS Similarity.
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• PLIX

## Corresponding Sides of Similar Triangles

SAS Similarity Interactive
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• PLIX

## Similar Triangle

SAS Similarity Interactive
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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

## SAS Similarity Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on SAS similarity.
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• Video

## SAS Similarity Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "SAS Similarity".
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• Video

## SAS Similarity Principles

This video gives more detail about the mathematical principles presented in SAS Similarity.
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• Video

## SAS Similarity Examples

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

## Similar Triangles Using Side-Side-Side and Side-Angle-Side

by CK-12 //basic
Explains how to determine if two triangles are similar using SSS and SAS.
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• Critical Thinking

## SAS Similarity Discussion Questions

A list of student-submitted discussion questions for SAS Similarity.
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• Real World Application

## AAA Similarity

How do you measure the height of the great pyramid?
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• Study Guide