a sphere/ball or neither. it may be nothing
A cone. A hemisphere.
Just one at the base, the rest is a curved surface
A paraboloid.
a sphere
The shape of the face on a cone is a circular base at the bottom and a curved surface that narrows smoothly to a point called the apex. This curved surface is referred to as the lateral face of the cone. Overall, a cone has one circular face (the base) and one curved surface.
A sphere has one surface that's also curved and has no base.
A paraboloid.
It has just the one curved surface area and and its base
A cone.
A cone.
A cone. A hemisphere.
cone
Just one at the base, the rest is a curved surface
A paraboloid.
a sphere
A cone.
A hemisphere has no edges. It has one curved surface that smoothly transitions from the curved side to its base.