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July 29, 2014

July 29, 2014

Posted by **Piggy** on Friday, March 2, 2012 at 10:29pm.

- geometry -
**drwls**, Saturday, March 3, 2012 at 2:13amThe volume of the metal in 6 balls is

6*(4/3)*pi*R^3 = 8 pi R^3

The cylinder has radius R and height 8R. Its volume is

pi*R^2*L = 8 pi R^3

They are exactly the same, so the metal from six molten balls will fit inside the can.

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