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A cylinder with radius r\ and height ...

A cylinder with radius `r\ ` and height `h` is closed on the top and bottom. Which of the following expressions represents the total surface area of this cylinder? (a) `2pir\ (r+h)` (b) `pir\ (r+2h)` (c) `pir\ (2r+h)` (d) `2pir^2+h`

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