Cone
Cone
A plane circular shape.
A cone.
It is circular
A cone
It is a cone.
Cone
the cone.
A shape with a circular base and a vertex that isn't in the same plane as the base is called a cone.
A bicone is a three-dimensional shape swept by revolving an isosceles triangle around its base of unequal length, or by joining two identical right circular cones, base to base.
A cone or a hemisphere or circle
A cone.