Question

If the surface cred of a sphere is 2826cm2 then find
its volume.​

Answer 1

Surface area of sphere= 2826

4πr2=2826

4×3.14×r2=2826

12.56×r2=2826

r2=2826/12.56

r2=225

r=√225

r=15cm

volume of sphere=4/3πr3

=4/3×3.14× (15)3

4/3×3.14×3375

=42390/3

=14130cm3