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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.wikihow.com/Calculate-the-Circumference-of-a-Circle

Write down the

www.bbc.co.uk/schools/gcsebitesize/maths/geometry/circlesrev2.shtml

So we can write the

www.mathwarehouse.com/geometry/circle/circumference-of-circle.php

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 ... around the
circle , and the formula for the circumference of a circle is 2 ...

www.aaamath.com/geo612x4.htm

xkcd.com/1184/

www.mathopenref.com/circumference.html

Definition and properties of the

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.khanacademy.org

Here we find the

www.coolmath.com

Definitions and