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# Exterior Angles Theorems

## Exterior angles equal the sum of the remote interiors.

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.
• Read

## Exterior Angles Theorems

by CK-12 //at grade

This concept teaches students the sum of exterior angles for any polygon and the relationship between exterior angles and remote interior angles in a triangle.

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• PLIX

## Exterior Angle Theorems

by CK-12 //at grade

Exterior Angles Theorems Interactive

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• Video

## Exterior Angles Theorems Principles

by CK-12 //at grade

This video gives more detail about the mathematical principles presented in Exterior Angles Theorems.

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• Video

## Exterior Angles Theorems Examples

by CK-12 //at grade

This video shows how to work step-by-step through one or more of the examples in Exterior Angles Theorems.

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• Downloadable Quiz

## Exterior Angles Theorems Quiz

by CK-12 //at grade

Ten question quiz. Students must solve for missing angles in triangles using the exterior angle theorem of triangles. Students need to use basic arithmetic and algebra skills to solve the problems.

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• Practice
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## Exterior Angles Theorems Practice

by CK-12 //at grade
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• Interactive Exercise

## Solve for the Unknown Remote Interior Angle

by CK-12 //at grade

Asks a question about the exterior angle theorem.

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• Interactive Exercise

## Exterior Angle Theorem True or False

by CK-12 //at grade

Asks a question about the exterior angle theorem.

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• Interactive Exercise

## Solve for Remote Interior Angle

by CK-12 //at grade

Asks a question about the exterior angle theorem.

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• Interactive Exercise

## Solve for Exterior Angle

by CK-12 //at grade

Asks a question about the exterior angle theorem.

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• Interactive Exercise

## Multiple Step Triangle Sum Theorem for x

by CK-12 //at grade

Use the triangle sum theorem to find the measure of an unknown angle.

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• Interactive Exercise

## Multiple Step Triangle Sum Theorem for y

by CK-12 //at grade

Use the triangle sum theorem to find the measure of an unknown angle.

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• Interactive Exercise

## Exterior Angle Theorem True False

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## What's an Exterior Angle?

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## What's a Non-Adjacent Interior Angle?

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Symbolic Exterior Angle Theorem

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Symbolic Exterior Angle Theorem 2

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Visual and Symbolic Exterior Theorem

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Remote Interior Angle

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Exterior Angle

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Exterior Angle 2

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Interior Angle

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Interior Angle 2

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Exterior Angle 3

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Exterior Angle 4

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Exterior Angle 5

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of the Exterior Angle 6

by CK-12 //at grade

Presents a question about the exterior angle theorem.

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• Interactive Exercise

## Find the Measure of an Angle

by CK-12 //at grade

Presents a question that can be solved with the exterior angle theorem or triangle sum theorem.

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• Interactive Exercise

## Find the Measure of an Angle 2

by CK-12 //at grade

Presents a question that can be solved with the exterior angle theorem or triangle sum theorem.

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• Critical Thinking

## Exterior Angles Theorems Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Exterior Angles Theorems.

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• Pre Read

## Exterior Angles Theorems Pre Read

by CK-12 //at grade

To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.

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• Post Read

## Exterior Angles Theorems Post Read

by CK-12 //at grade

To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.

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• Post Read

## Exterior Angles Theorem Four Square Concept Matrix

by CK-12 //at grade

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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• Real World Application

## Exterior Angles Theorem

by CK-12 //at grade

So...does our formula apply only to convex polygons? Or can we fix things up so that it applies to concave polygons also?

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• Study Guide

## Triangle Relationships Study Guide

by CK-12 //at grade

This study guide reviews terminology for triangles, different types of triangles, and interior and exterior angles theorems.

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