A Basketball is a sphere
A basketball is in a spherical shape.
Sphere
A sphere
A basketball is generally a sphere.
cylinder * * * * * It is approximately a sphere.
sphere
A sphere
It is a sphere
It is approximately a sphere.
The basketball itself is in a solid state of matter and the air inside of it is in a gaseous state of matter.
A basketball is a sphere so a cross-section would be a circle.