document.write( "Question 710582: Assume that the volume of a sphere is numerically equal to twice its surface area Find the radius of the sphere \n" ); document.write( "
Algebra.Com's Answer #437071 by srinivas.g(540)\"\" \"About 
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volume of sphere = (4/3 )Pi r^ 3
\n" ); document.write( " surface area = 4 pi r^2
\n" ); document.write( " volume = 2 *surface area
\n" ); document.write( " (4/3 ) pi r^3 = 2 (4 pi r^2 )
\n" ); document.write( " r=6 m
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