A hemispherical piece of wood is to be mounted at the end of a cylindrical wooden log with the same base.

If the length of the log is four times its width, then what is the percentage increase in its total surface area?

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Solution

The correct option is D

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A hemispherical piece of wood is to be mounted at the end of a cylindrical wooden log with the same base. If the length of the log is four times its width, then what is the percentage increase in its total surface area?

The correct option is D

A hemispherical piece of wood is to be mounted at the end of a cylindrical wooden log with the same base.

If the length of the log is four times its width, then what is the percentage increase in its total surface area?