Question

Find the curved surface area of a solid sphere whose radius is 7cm.

Answer 1

CSA of sphere
$4\pi {r}^{2} \\ 4 \times \frac{22}{7} \times 7 \times 7 \\ 4 \times 22 \times 7 \\ 616c {m}^{2}$


Hope it helps uhh❤❤❤

Answer 2

Answer:

The curved surface area of the sphere is 616 centimeter square.

Step-by-step explanation:

Given : A solid sphere whose radius is 7cm.

To find : Its curved surface area?

Solution :

The formula of curved surface area of the sphere is

$CSA=4\pi r^2$

Where, r is the radius r= 7 cm

Substitute in the formula,

$CSA=4\times \frac{22}{7}\times 7^2$

$CSA=4\times \frac{22}{7}\times 7\times 7$

$CSA=4\times 22\times 7$

$CSA=616cm^2$

Therefore, The curved surface area of the sphere is 616 centimeter square.