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A hemispherical depression is cut out fr...

A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter l of the hemisphere is equal to the edge of the cube. Determine the surface area of the remaining solid.

A

`1/2l^2(12 + pi) cm^2`

B

`1/4l^2(24 + pi) cm^2`

C

`1/3l^2(18 + pi) cm^2`

D

`1/4l^2(18 + pi) cm^2`

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