Question

CSA of cylinder having radius 5 cm and height 14 cm is .

• A. 440 cm${}^2$
• B. 460 cm${}^2$
• C. 140 cm${}^2$

Answer 1

The correct option is A 440 cm${}^2$

CSA of a cylinder = 2πrh,
where r is radius and h is the height.

CSA of the given cylinder
$=2\times \frac{22}{7}\times 5\times 14=440c{m}^2$