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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.
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## Proportions with Angle Bisectors

Proportions with Angle Bisectors Interactive

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• Video

## Proportions with Angle Bisectors Principles

This video gives more detail about the mathematical principles presented in Proportions with Angle Bisectors.

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## Proportions with Angle Bisectors Examples

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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## Proportions with Angle Bisectors Practice

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• Critical Thinking

## Proportions with Angle Bisectors Discussion Questions

A list of student-submitted discussion questions for Proportions with Angle Bisectors.

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## Proportions with Angle Bisectors Pre Read

To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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## Proportions with Angle Bisectors Post Read

To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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• Real World Application

## Triangle Proportionality

How does NASA use proportionality to test space crafts?

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• Study Guide