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Web Results

www.mathgoodies.com/lessons/vol2/circumference.html

Pi is the ratio of the circumference of a

www.onlineconversion.com/circlesolve.htm

Solve area,

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Apr 6, 2011 ... A how to video on How To Determine The Diameter Of A Circle that will improve
your math skills. Learn how to get good at math from ...

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Definition and properties of the

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This

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www.khanacademy.org/math/basic-geo/basic-geo-area-perimeter/basic-geo-area-circumference/v/circles-radius-diameter-and-circumference

Area: pi times r[the

www.virtualnerd.com/geometry/circles/tangent-lines/example-circle-radius-diameter

Note: When you know the radius of a

math.about.com/library/blcirclecalculator.htm

Online area

www.rkm.com.au/CALCULATORS/CALCULATOR-circle-sphere.html

Answer

If you know the radius, then the diameter is 2R. If you know circumference, then the diameter is C/(pi). If you know the area, then the diameter is the square root of 4A/(pi).

R is the radius of a circle, C is the circumference and A is the area.

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How to

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Area of

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