Question

Find the surface area of a sphere of radius 14 cm

`["Assume "pi=22/7]`

 

Answer 1

Radius (r) of sphere = 14 cm

Surface area of sphere = 4πr²

`=[4xx22/7xx(14)^2]cm^2`

= (4 x 44 x 14)cm²

= 2464 cm²

Therefore, the surface area of a sphere having radius 14 cm is 2464 cm².