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Arc Length

High School Math based on the topics required for the Regents Exam conducted by NYSED.

Arc Length :
Commonly confused with arc measure, arc length is the distance between the endpoints along the circle. Arc measure is a degree measurement, equal to the central angle that forms the intercepted arc. Arc length is a fraction of the circumference of the circle and calculated that way: find the circumference of the circle and multiply by the measure of the arc divided by 360.

Arc Length
Finding the arc length on a circle

Arc Length Theorem -
How to Find the Length of an Arc This video lesson discusses how to find the length of an arc. First, the arc length theorem is reviewed and explained. An example of find the length of a major arc is modeled. The given information is the measure of the related minor arc and the radius of the circle.

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