Question

if the surface area of a sphere is 2826 cm square then find its value (pay=3.14)

Answer 1

surface area of sphere is 2826 cm2
4πr^2=2826
4×3.14×r^2=2826
r^2=2826/3.14×4
r^2=900/4
r^2=225
r=√225
r=15cm