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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

This concept teaches students to decide whether or not two triangles are similar using SAS 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

## 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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• 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