The volume of a right circular cone which is obtained from a wooden cube of edge

Question

The volume of a right circular cone which is obtained from a wooden cube of edge 4.2 dm wasting minimum amount of wood is :

Options:

A . 19404 dm3

B . 194.04 dm3

C . 19.404 dm3

D . 1940.4 dm3

Answer: Option C

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