# Angles Outside a Circle

## Angles formed outside a circle by tangents or secants.

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

## Angles Outside a Circle

by CK-12 //basic
Solve problems containing angles outside a circle.
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• Read

## Angles Outside a Circle

by CK-12 //at grade
This concept teaches students how to calculate angles formed outside a circle by tangent and secant lines.
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• PLIX

## Outside Angle Theorem

by CK-12 //at grade
Angles Outside a Circle Interactive
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• Video

## Angles Outside a Circle Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on angles outside of a circle.
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• Video

## Angles Outside a Circle Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Angles Outside a Circle".
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• Video

## Angles Outside a Circle Principles

by CK-12 //at grade
This video gives more detail about the mathematical principles presented in Angles Outside a Circle.
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• Video

## Angles Outside a Circle Examples

by CK-12 //at grade
This video shows how to work step-by-step through one or more of the examples in Angles Outside a Circle.
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• Critical Thinking

## Angles Outside a Circle Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Angles Outside a Circle.
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• Study Guide

## Arcs and Angles Study Guide

by CK-12 //at grade
This study guide looks at theorems of arcs and angles.
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