Curved surface area of a cylinder having base radius r and height h

1.	Curved surface area of a cylinder having base radius r and height h is equal to __________
A.	2 rh + 2 r<sup>2</sup>
B.	2 r<sup>2</sup>
C.	2 rh
D.	4 r<sup>2</sup>
Answer» D. 4 r<sup>2</sup>

Discussion

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Curved surface area of a cylinder having base radius r and height h is equal to __________