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# Proportions with Angle Bisectors

## Angle bisectors divide triangles proportionally.

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.

## Proportions with Angle Bisectors

by CK-12 //at grade
This concept teaches students how to set up and solve proportions with angle bisectors.
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• PLIX

## Proportions with Angle Bisectors

by CK-12 //at grade
Proportions with Angle Bisectors Interactive
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• Video

## Proportions with Angle Bisectors Principles

by CK-12 //at grade
This video gives more detail about the mathematical principles presented in Proportions with Angle Bisectors.
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• Video

## Proportions with Angle Bisectors Examples

by CK-12 //at grade
This video shows how to work step-by-step through one or more of the examples in Proportions with Angle Bisectors.
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• Critical Thinking

## Proportions with Angle Bisectors Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Proportions with Angle Bisectors.
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• Real World Application

## Triangle Proportionality

by CK-12 //at grade
How does NASA use proportionality to test space crafts?
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• Study Guide

## Proportionality Relationships Study Guide

by CK-12 //at grade
This study guide looks at proportionality theorems for triangles and parallel lines intersected by transversals.
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