Question

7
Find the surface area of a sphere of radius:
(ü) 5.6 cm
() 10.5 cm
​

Answer 1

Answer:

surface area of a sphere of radius 5.6 cm is

4π radius^2

=4*22*5.6*5.6/7 sq cm

=4*22*5.6*0.8 sq cm

=394.24 sq cm