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Web Results

en.wikipedia.org/wiki/Circumference

The

www.mathplanet.com/education/pre-algebra/more-about-equation-and-inequalities/calculating-the-circumference-of-a-circle

www.virtualnerd.com/pre-algebra/perimeter-area-volume/circles/circumference/circle-circumference-from-diameter

Then you can use the

www.khanacademy.org/math/basic-geo/basic-geo-area-perimeter/basic-geo-area-circumference/v/circumference-from-area

Here we find the

www.mathopenref.com/circumference.html

Definition and properties of the

xkcd.com/1184/

www.coolmath.com/reference/circles-geometry

Definitions and

circle.wikina.org/

Calculate quickly

www.ask.com/youtube?q=Circumference Circle Formula&v=1XFkAZW-rWg

Oct 23, 2007 ... In this lesson, students learn that the circumference of a circle is the distance
around the circle , and the formula for the circumference of a circle ...

www.ask.com/youtube?q=Circumference Circle Formula&v=brxwLXei3so

Nov 15, 2010 ... How to find the Circumference of a Circle . Jaymee W ... How to find radius,
diameter, circumference and area of circles ? - Duration: 7:43.

Answer

To work out the circumference of a circle, you multiply the diameter by Pi (approximately 3.141).

Sources:

More Info

www.mathgoodies.com

Pi is the ratio of the

www.wikihow.com

Write down the

www.khanacademy.org

Learn how the number Pi allows us to relate the radius, diameter, and