Wednesday
April 23, 2014

Homework Help: math

Posted by jon on Wednesday, December 16, 2009 at 8:01pm.

I'm asked to find the circumference of a circle to the nearest tenth and the area of the same circle to the nearest hundredth. The circle has a diameter of 30 and a radius of 15. I got a circumference of 94.2 and an area of 188.48cm2 with these formulas: C=2piR and A=piR2.
Is this correct?

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