The volume of a sphere of radius a is 4a 3 /3. Show that the volume of

The volume of a sphere of radius a is 4πa³/3. Show that the volume of material used in constructing a hollow sphere of interior radius a and exterior radius a + t is

Deduce that the surface area of the sphere of radius a is S = 4πa² and show that it is equal to the area of the curved surface of the enclosing cylinder.

Transcribed Image Text:

V=47(3at + 3at +1)/3