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A solid cyliinder of radius 4 cm and length 8 cm is melted down and recast into a solid cube.  Find the side of the cube.

 

 Apr 20, 2020
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The volume of the cylinder is 4^2pi * 8= 128pi. If it is recast into a cube, that means the side length is just the cube root of the volume. \(\sqrt[3]{128pi}\) which rounds to 7.38.

 

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 Apr 20, 2020

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