Homework Help: Pre-Algebra

Posted by mysterychicken on Friday, May 29, 2009 at 12:31pm.

Need help with this-
If the surface area of a sphere is 64pi what would be it's radius and volume?
formula:: V= 4/3*pi*r^3 [i think]

Thanks
-MC

Pre-Algebra - bobpursley, Friday, May 29, 2009 at 12:45pm
Yes, that is is. Solve for radius.

Then surface area is 4PIr^2

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