document.write( "Question 782680: The radius of a metallic cylinder is 3 cm and its height is 5 cm. It is melted and moulded into small cones, each of height 1 cm and base radius 1mm. The number of such cones formed is ? \n" ); document.write( "

Algebra.Com's Answer #476482 by mananth(16946) $\"\"$ $\"About$

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Volume of cylinder/ volume of cone = number of cones\r
\n" ); document.write( "\n" ); document.write( "Volume of cylinder\r
\n" ); document.write( "\n" ); document.write( "radius =30mm
\n" ); document.write( "height = 50 mm\r
\n" ); document.write( "\n" ); document.write( "v= pi * 30*30*50\r
\n" ); document.write( "\n" ); document.write( "Volume of cone\r
\n" ); document.write( "\n" ); document.write( "radius = 1mm
\n" ); document.write( "height = 10mm\r
\n" ); document.write( "\n" ); document.write( "V= 1/3 *pi*r^2h\r
\n" ); document.write( "\n" ); document.write( "= 1/3 * pi * 1^2*10*10\r
\n" ); document.write( "\n" ); document.write( " $\"%28pi+%2A+30%2A30%2A50%29%2F%28%281%2F3%29+%2A+pi+%2A+1%5E2%2A10%2A10%29\"$ \r
\n" ); document.write( "\n" ); document.write( "=1350 cones\r
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\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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