What is the curved surface area of a cylinder if its height and radius are 8 cm and 2 cm respectively?

16π sq cm

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24π sq cm

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20π sq cm

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32π sq cm

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Solution

The correct option is D 32π sq cm
Curved surface area of a cylinder
$= 2 π r h$ ,
where r is the radius and h is the height.

So, curved surface area of the cylinder
$= 2 \times π \times 2 \times 8 = 32 π s q c m$

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