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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

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Proportions with Angle Bisectors Interactive

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• Video

## Proportions with Angle Bisectors Principles

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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

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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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• Practice
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## Proportions with Angle Bisectors Practice

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• Critical Thinking

## Proportions with Angle Bisectors Discussion Questions

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

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## Proportions with Angle Bisectors Pre Read

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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

by CK-12 //at grade

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 Ask, Answer, Learn Table

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Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.

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• Real World Application

## Triangle Proportionality

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How does NASA use proportionality to test space crafts?

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• Study Guide

## Proportionality Relationships Study Guide

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This study guide looks at proportionality theorems for triangles and parallel lines intersected by transversals.

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