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Similar Cylinders
Age 14 to 16
ShortChallenge Level 
A metal cube, of side 9 cm, is melted down and recast into two similar cylinders.
The diameters of the cylinders are 4 cm and 8 cm.
If no metal is lost in the process, what is the volume of the smaller cylinder?
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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