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- Apr 22nd 2009, 12:44 PMzaurmCircular cylinder area.
- Apr 22nd 2009, 02:46 PMskeeter
assuming "largest" is in terms of volume ...

sketch the circle

inscribe a rectangle in the circle ... rotation of the figure about the y-axis yields a cylinder inscribed in a sphere of radius 2.

volume of a cylinder,

find and find the values of x and y that maximize the volume ... then determine the surface area,