Question

the radius of a sphere is 5.2cm.work out the surface area of this sphere

Answer 1

Answer:

4πr^2= surface area of sphere where r is radius of sphere

Answer 2

Step-by-step explanation:

Given that

Radius of a sphere (r) is 5.2cm

To find

Surface area of sphere

Solution

As we know that surface area of sphere is

$s = 4\pi \times {r}^{2}$

$s = 4 \times \pi \times {5.2}^{2}$

$s = 339.79 {cm}^{2}$

Hence surface area of sphere is 339.79 cm sq.