# SSS Similarity

## Triangles are similar if their corresponding sides are proportional.

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.

## SSS Similarity

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

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

Prove and use the SSS criterion for triangle similarity.
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## PPP and PAP Similarity

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

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

## Similar Sides, Similar Triangles

SSS Similarity Interactive
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• PLIX

## Similar Triangle

SSS 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

## SSS Similarity Principles - Basic

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

## SSS Similarity Examples - Basic

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

## SSS Similarity Principles

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

## SSS Similarity Examples

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

## SSS Similarity Discussion Questions

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