Homework Help: math

Posted by Maghan on Sunday, May 23, 2010 at 11:06pm.

Find the ratio of the volume of the cylinder to the volume of the hemisphere, given that the height, h, of the cylinder is equal to the diameter, d, of the hemisphere.

math - Joe, Monday, May 24, 2010 at 12:27am
Vol. of cylinder = ¡Ç(r^2)h and vol. of hemi-sphere=(¡Çh^3)/12 and hence their ratio = 12(r/h)^2 where r, h are the radius & and the height of the cylinder

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