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Due to system maintenance, CK-12 will be unavailable on 8/19/2016 from 6:00p.m to 10:00p.m. PT.

Circumference

Pi times the diameter or the distance around the circle.

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Circumference and Arc Length Study Guide
Student Contributed
An overview of the formulas for circumference, arc length, sectors, and segments of circles is presented in this study guide.
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