Question

A solid cone of height 12cm and radius 9cm is recast into a solid sphere. Calculate the surface area of the sphere​

Answer 1

1017.8

Explanation:

this is the formula 4πr2

hope this helps: )

Answer 2

Explanation:

Volume of cone = π9²⋅12/3 = 324π cm³

volume of sphere = 4πr³/3 = 324π

r = ∛243

surface area of sphere = 4πr² ≈ 155.8π