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What is the circumference of a circle with the radius of 10 cm.???
ANGEL  Feb 7, 2012
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ANGEL:

What is the circumference of a circle with the radius of 10 cm.???



U=2*Pi*r
[input]2*pi*10cm[/input]
admin  Feb 7, 2012
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thanks
ANGEL  Feb 28, 2012

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