Question

If the volume and surface area of a solid hemi-sphere are numerically equal, find the diameter of the sphere​

Answer 1

Answer:

Answer

Volume (Hemisphere)= 3/2 πr

3

Surface area=3πr'2

∴3πr'2 = 3/2

πr

3

⇒r= 29

⇒2r=9

⇒d=9.