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From a solid cylinder of height 4cm and ...

From a solid cylinder of height 4cm and radius 3cm a conical cavity of height 4cm of base radius 3cm is hollowed out. What is the total surface area of the remaining solid?

A

`15 pi` square cm

B

`22 pi` square cm

C

`33 pi` square cm

D

`48 pi` square cm

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