Question

Find the surface area of a sphere of following radius
(1) 2.5cm
(2)10cm
(3)5.6cm
(4)3.5cm​

Answer 1

Answer:

Formula of Surface area of sphere :-

$4\pi \: {r}^{2}$

1) 78.7

2) 1257.14

3) 394.24

4) 154

Answer 2

don't forget to write unit

i hope it will help you