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# Arc Length

Portion of a circle's circumference.
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.

## Arc Length

by CK-12 //at grade

This concept teaches students to find the length of an arc.

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• PLIX

## Arc Length

by CK-12 //at grade

Arc Length Interactive

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• Video

## Arc Length Principles

by CK-12 //at grade

This video gives more detail about the mathematical principles presented in Arc Length.

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• Video

## Arc Length Examples

by CK-12 //at grade

This video shows how to work step-by-step through one or more of the examples in Arc Length.

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• Practice
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## Arc Length Practice

by CK-12 //at grade
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• Critical Thinking

## Arc Length Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Arc Length.

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## Arc Length Post Read

by CK-12 //at grade

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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## Arc Length Pre Read

by CK-12 //at grade

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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## Arc Length Ask, Answer, Learn Table

by CK-12 //at grade

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

## How Far Is It to London?

by CK-12 //at grade

Dabble in some cartography and find out how you can use geometry to calculate distances on a globe.

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• Study Guide

## Circumference and Arc Length Study Guide

by CK-12 //at grade

An overview of the formulas for circumference, arc length, sectors, and segments of circles is presented in this study guide.

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