The lateral surface area of a cylinder is

Question:

The lateral surface area of a cylinder is

(a) $\pi r^{2} h$

(b) $\pi r h$

(c) $2 \pi \mathrm{rh}$

(d) $2 \pi r^{2}$

 

Solution:

(c) $2 \pi r h$

The lateral surface area of a cylinder is equal to its curved surface area.

$\therefore$ Lateral surface area of a cylinder $=2 \pi r h$

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