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# Angle Bisectors in Triangles

## Construction and properties of bisectors, which cut angles in half.

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.

## Angle Bisectors in Triangles

by CK-12 //basic
Apply angle bisector properties.
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• Video

## Angle Bisectors Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on angle bisectors.
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## Angle Bisectors Examples - Basic

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

## Introduction to Angle Bisectors of a Triangle

by CK-12 //basic
Introduces an angle bisector and states the properties of the angle bisectors or a triangle.
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• Video

## Proof of the Angle Bisector Theorem

by CK-12 //basic
States and proves the angle bisector theorem.
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## Proof of the Angle Bisector Theorem Converse

by CK-12 //basic
States and proves the angle bisector theorem converse.
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## Examples: Solving For Unknown Values Using Properties of Angle Bisectors

by CK-12 //basic
Provides examples problems using the properties of angle bisectors.
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• Flashcards

## Angle Bisectors in Triangles Flashcards

by CK-12 //basic
These flashcards help you study important terms and vocabulary from Angle Bisectors in Triangles.
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