Question

Work out the surface area of the Sphere leave your answer in terms of Pi

a) radius is 5cm
b)radius is 3cm
10 points given for a right answer. thanks!​

Answer 1

A)4πr^2

4π(5)^2

4π(25)

A≈314.2π

B)4πr^2

4π x (3)^2

4π x(9)

A≈113.112π

hope it helps