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# Pythagorean Theorem and its Converse

## Use a-squared plus b-squared equals c-squared to prove triangles are right 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.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Pythagorean Theorem and its Converse

by CK-12 //basic

Learn how to use both the Pythagorean Theorem and its converse.

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## Pythagorean Theorem - Overview

by CK-12 //basic

Overview

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• Video

## Converse of the Pythagorean Theorem - Overview

by CK-12 //basic

Overview

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• Video

## The Pythagorean Theorem

by CK-12 //basic

Provides an overview of a proof of the Pythagorean Theorem and provides problems that require the use of the Pythagorean Theorem.

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## Pythagorean Theorem

by CK-12 //basic

Provides an overview of the Pythagorean theorem.

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• Video

## Pythagorean Theorem - Example 2

by CK-12 //basic

Using the Pythagorean Theorem to Find Unknown Lengths Algebraically

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## Pythagorean Theorem - Example 3

by CK-12 //basic

Using the Pythagorean Theorem to Find Unknown Lengths Given a Word Problem

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## Converse of the Pythagorean Theorem - Example 1

by CK-12 //basic

Determining Right Triangles Using the Converse of the Pythagorean Theorem

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## Demonstrate the Pythagorean Theorem

by CK-12 //basic

An interesting, interactive diagram using squares to demonstrate that the Pythagorean Theorem works.

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• Flashcards

## Pythagorean Theorem and its Converse Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from The Pythagorean Theorem and its Converse.

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