How to Determine the Circumference of a Circle | Math with Janine

Опубликовано: 02 Октябрь 2020
на канале: mathwithjanine
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In this video tutorial, I demonstrate how to calculate the circumference of a circle. To calculate the circumference of a circle, we use the formula C = 2*pi*r, where r is the radius of the circle. If we are instead given the diameter of the circle, we use the formula r = 1/2*d to solve for the radius first before applying the formula for the circumference.

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