document.write( "Question 587207: A cube is 8 inches on each side. What is the height of a cylinder having the same volume, if its radius is 4 inches? \n" ); document.write( "
Algebra.Com's Answer #374027 by Schaman_Dempster(26)\"\" \"About 
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We know that side length of a cube is 8 inches.\r
\n" ); document.write( "\n" ); document.write( "Volume of the cube = \"+%28side+length%29%5E3+\"
\n" ); document.write( " V(cube) = \"+8%5E3+\"
\n" ); document.write( " V(cube) = 512 cubic inches\r
\n" ); document.write( "\n" ); document.write( "WE know that the radius of the cylinder is r = 4 inches and let the height of the cylinder be h inches.
\n" ); document.write( "Volume of the cylinder = π\"+r%5E2%2Ah+\"
\n" ); document.write( "V(cylinder) = \"+pi%2A4%5E2%2Ah+\"
\n" ); document.write( "V(cylinder) = 16πh\r
\n" ); document.write( "\n" ); document.write( "Since the volume of cube and cylinder are same, so\r
\n" ); document.write( "\n" ); document.write( "V(cylinder) = V(cube)
\n" ); document.write( "or 16πh = 512
\n" ); document.write( "or πh = 512/16 {Dividing both the sides by 16}
\n" ); document.write( "or πh = 32
\n" ); document.write( "or h = 32/π inches \r
\n" ); document.write( "\n" ); document.write( "If we wish to get the decimal value fo h, we can use the standard value of π = 3.14\r
\n" ); document.write( "\n" ); document.write( "Therefore, h = 32/π = 32/3.14
\n" ); document.write( "or h = 10.189
\n" ); document.write( "or h = 10.2 inches (approximately)\r
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\n" ); document.write( "\n" ); document.write( "Hope this helps~!
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