# 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

This concept teaches students to find the length of an arc.
MEMORY METER
This indicates how strong in your memory this concept is
2
• Video

## Arc Length Principles

This video gives more detail about the mathematical principles presented in Arc Length.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Arc Length Examples

This video shows how to work step-by-step through one or more of the examples in Arc Length.
MEMORY METER
This indicates how strong in your memory this concept is
0
• 1
• Critical Thinking

## Arc Length Discussion Questions

A list of student-submitted discussion questions for Arc Length.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Real World Application

## How Far Is It to London?

Dabble in some cartography and find out how you can use geometry to calculate distances on a globe.
MEMORY METER
This indicates how strong in your memory this concept is
2
• Study Guide