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WHAT IS THE AREA OF a circle with a diameter of 20 cm

What is the are of a circle with a diameter of 20 cm

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Come on princess. Use the formula for the area of a circle: Area=PI*D*D/4
where PI can be entered using a key on the calculator, and D is the diameter.
Area =100*Pi cm^2 or about 314.159 cm^2

Posted on Feb 03, 2012


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