Question

The radius of a sphere and of a cylinder are the same. The diameter of the sphere and the height of the cylinder are also the same and are twice the length of the radius. If two cones are formed within the cylinder, as shown in the diagram, then the volume of the sphere is equal to which of the following?

(Points : 1)
the volume of the cylinder + 2(volume of one cone)

the volume of the cylinder 2(volume of one cone)

2(volume of one cone)

the volume of one cone

Answer 1

[Attach File] blue button
if you don't see one... then you can always use http://imgur.com

Answer 2

i got it