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# Congruent Angles and Angle Bisectors

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Levels are CK12'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.

## Congruent Angles and Angle Bisectors

by CK-12 //basic

Apply the definitions of angle congruency and angle bisector.

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## Congruent Angles and Angle Bisectors

This concept introduces students to angles, congruent angles, and angle bisectors.

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• Video

## Congruent Angles and Angle Bisectors Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on identifying congruent angles and angle bisectors.

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• Video

## Congruent Angles and Angle Bisectors Examples - Basic

by CK-12 //basic

This video provides the student with a walkthrough of one or more examples from the concept "Congruent Angles and Angle Bisectors".

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• Video

## Congruent Angles and Angle Bisectors Principles

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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• Video

## Congruent Angles and Angle Bisectors Examples

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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• Video

## Angle Bisector

by CK-12 //basic

Learn all you need to know to understand angle bisectors.

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• Video

## Bisector and Midpoint Exercises - Example 2

by CK-12 //basic

Practice angle bisector problems by following along with this video.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 2)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 3)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 4)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 5)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 6)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 7)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 8)

Checks your understanding of the Side Splitter Theorem.

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## Congruent Angles and Angle Bisectors Quiz

Congruent Angles and Angle Bisectors quiz.

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• Practice

## Congruent Angles and Angle Bisectors Practice

by CK-12 //basic

Practice Congruent Angles and Angle Bisectors questions

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• Interactive Exercise

One angle is a scalar multiple of the other. Use the given information to solve for the unknown angle measure.

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• Interactive Exercise

## Total Angle

Given two adjacent angles, find the measure of the larger angle.

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• Interactive Exercise

## Angles and Algebra

A pair of angles are displayed. The angle measures are algebraic expressions.

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• Interactive Exercise

## Angle Bisector

A word problem that describes an angle and its bisector.

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• Interactive Exercise

## Side Splitter True or False

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Corrollary to the Angle Bisector Theorem

Checks your understanding of the Angle Bisector Theorem.

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• Interactive Exercise

## Use the Angle Bisector Theorem

Checks your understanding of the Angle Bisector Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 2)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 3)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 4)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 5)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 6)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 7)

Checks your understanding of the Side Splitter Theorem.

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• Interactive Exercise

## Use the Side Splitter Theorem (part 8)

Checks your understanding of the Side Splitter Theorem.

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• Critical Thinking

## Congruent Angles and Angle Bisectors Discussion Questions

A list of student-submitted discussion questions for Congruent Angles and Angle Bisectors.

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## Congruent Angles and Angle Bisectors Pre Read

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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## Congruent Angles and Angle Bisectors Post Read

To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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To generate questions about a given topic and to learn new vocabulary words for supporting answers to these questions using an Ask, Answer, Learn table.

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• Real World Application

## The Art of Bisecting Angles

Discover how the Japanese art of origami relies on angle bisectors.

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• Real World Application

## Starry Night

Find out how congruent angles, mirrors, and the laws of reflection can help you see the stars.

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• Real World Application

## Congruent Angle and Angles Bisectors

You need to find the best place to meet up with our friends so that every one travels and equal distance. How do you use angle bisectors to do this?

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• Study Guide

## Angles Study Guide

This study guide reviews angle nomenclature, how to measure angles, different types of angles, congruent angles, and angle pairs.

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## Construct an Angle Bisector

How to construct an angle bisector (halve the angle) using just a compass and a straightedge.

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• Flashcards

## Congruent Angles and Angle Bisectors Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from Congruent Angles and Angle Bisectors.

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