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SSS Triangle Congruence

Three sets of equal side lengths determine congruence.

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 Triangle Congruence

by CK-12 //basic

Prove two triangles are congruent with the Side-Side-Side shortcut.

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My SSS Triangle Congruence

Prove two triangles are congruent with the Side-Side-Side shortcut.

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SSS Triangle Congruence

Use rigid transformations to derive the SSS criterion for triangle congruence. Verify whether or not triangles are congruent using SSS and HL.

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SSS Triangle Congruence

Prove two triangles are congruent with the Side-Side-Side shortcut.

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SSS Triangle Congruence

Use rigid transformations to derive the SSS criterion for triangle congruence. Verify whether or not triangles are congruent using SSS and HL.

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Side-Side-Side Triangle Congruence.

This concept introduces students to the SSS Triangle Congruence Postulate and how to prove that two triangles are congruent given only information about their side lengths.

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SSS Triangle Congruence

by Thao Nguyen //basic

Prove two triangles are congruent with the Side-Side-Side shortcut.

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• PLIX

SSS Triangle Congruence: Congruence Conundrum

SSS Triangle Congruence Interactive

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• Video

SSS Triangle Congruence Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on SSS triangle congruence.

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• Video

SSS Triangle Congruence Examples - Basic

by CK-12 //basic

This video provides the student with a walkthrough of one or more examples from the concept "SSS Triangle Congruence".

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• Video

SSS Triangle Congruence Principles

This video gives more detail about the mathematical principles presented in SSS Triangle Congruence.

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• Video

SSS Triangle Congruence Examples

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

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• Video

Introduction to Congruent Triangles

by CK-12 //basic

Defines congruent triangles and states the ways to prove two triangles are congruent.

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• Video

Determining If Two Triangles are Congruent

by CK-12 //basic

Provides practice problems to determine if two triangles are congruent.

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SSS Triangle Congruence Quiz

Nine question quiz. Students must examine diagrams of triangles and the coordinates of triangles and determine if they are congruent using the SSS congruency theorem. Students must justify their reasoning.

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• Practice
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SSS Triangle Congruence Practice

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• Interactive Exercise

Proof by Side Side Side

Checks your understanding of SSS proof method.

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• Interactive Exercise

Acronym--SSS

Checks your understanding of SSS proof method.

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• Interactive Exercise

Find the Measure of a Side When Two Triangles are Congruent by SSS

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• Critical Thinking

SSS Triangle Congruence Discussion Questions

A list of student-submitted discussion questions for SSS Triangle Congruence.

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To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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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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SSS Triangle Congruence 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

SSS Triangle Congruence

Do a hands on activity to help conceptualize congruent triangles.

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• Study Guide

Triangle Congruence Study Guide

This study guide is an overview of triangle congruence: defining corresponding parts of congruent triangles, postulates and theorems for congruences (SSS, SAS, AAS, ASA), and postulates and theorems for congruences for special triangles.

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Construct a Triangle with 3 Known Sides

How to construct a triangle with 3 known sides using just a compass and a straightedge.

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• Flashcards

Triangle Congruence Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from the concepts on Congruent Triangles, Congruence Statements, Third Angle Theorem, and triangle congruence postulates: SSS, SAS, SAS, ASA, AAS, and HL.

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