Question

The base radius of a cylinder is 3 cm and its height is 7 cm find the curved surface of the cylinder is

Answer 1

$\huge{\bold{Solution}}$

Given:

• radius of cylinder, r = 3 cm
• height of cylinder, h = 7 cm

We know,

$\bold{C.S.A \: of \: Cylinder = 2 \pi r h}$

$\Rightarrow 2 \times \frac{22}{\cancel{7}} \times 3 \times \cancel{7} \\ \Rightarrow 2 \times 22 \times 3 \\ \Rightarrow 132$

$\huge{\bold{Answer: \: 132 cm^2}}$