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10.9: Arc Length

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

Arc

An arc is a section of the circumference of a circle.

arc length

In calculus, arc length is the length of a plane function curve over an interval.

Circumference

The circumference of a circle is the measure of the distance around the outside edge of a circle.

Dilation

To reduce or enlarge a figure according to a scale factor is a dilation.

radian

A radian is a unit of angle that is equal to the angle created at the center of a circle whose arc is equal in length to the radius.

Sector

A sector of a circle is a portion of a circle contained between two radii of the circle. Sectors can be measured in degrees.

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Difficulty Level:
At Grade

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Date Created:
Jul 17, 2012
Last Modified:
Oct 06, 2016
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MAT.GEO.824.L.2