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# SAS Triangle Congruence

## Two sets of corresponding sides and included angles prove congruent triangles.

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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.
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## SAS Triangle Congruence

by CK-12 //basic
Prove two triangles are congruent with the Side-Angle-Side shortcut.
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## SAS Triangle Congruence

This concept introduces students to the SAS Triangle Postulate and how to prove that two triangles are congruent given only information about two pairs of sides and included angles.
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## SAS Triangle Congruence

Use rigid transformations to derive the SAS criterion for triangle congruence. Verify whether or not triangles are congruent using SAS.
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## SLT 25 Explore and apply Side Angle Side (SAS) criteria to prove triangle congruence.

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## SAS Triangle Congruence

Prove two triangles are congruent with the Side-Angle-Side shortcut.
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## SAS Triangle Congruence

Use rigid transformations to derive the SAS criterion for triangle congruence. Verify whether or not triangles are congruent using SAS.
MEMORY METER
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0

## SAS Triangle Congruence

This concept introduces students to the SAS Triangle Postulate and how to prove that two triangles are congruent given only information about two pairs of sides and included angles.
MEMORY METER
This indicates how strong in your memory this concept is
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## Side-Angle-Side Triangle Congruence.

This concept introduces students to the SAS Triangle Postulate and how to prove that two triangles are congruent given only information about two pairs of sides and included angles.
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• PLIX

## SAS Triangle Congruence

SAS Triangle Congruence Interactive
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• PLIX

## Complete the Proof

SAS Triangle Congruence Interactive
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• Video

## SAS Triangle Congruence Principles - Basic

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

## SAS Triangle Congruence Examples - Basic

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

## SAS Triangle Congruence Principles

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

## SAS Triangle Congruence Examples

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

## Example 1: Prove Two Triangles are Congruent

by CK-12 //basic
Provides a two column proof that two triangles are congruent.
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## SAS 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 SAS congruency theorem. Students must justify their reasoning. Students must also draw (on the coordinate plan) an example and non-example of triangles that can be proven congruent using the SAS theorem and then explain their reasoning.
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• Critical Thinking

## SAS Triangle Congruence Discussion Questions

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