The radius of a cylinder is 2 r units and height is 3 r units. Find the curved

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Question

The radius of a cylinder is 2 r units and height is 3 r units. Find the curved surface?

Options:

A . 18 Ï€r2 sq units

B . 3 Ï€r2 sq units

C . 12 Ï€r2 sq units

D . 6 Ï€r2 sq units

Answer: Option C

2 *
Ï€ * 2r * 3r = 12 Ï€r²

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