The Cone
CONE
cylinder??nope
One possible answer is an infinite cone. Spheres have one face but no vertex. No physical 3-D shape can have a vertex without having more than one face (a real cone typically has two: side and bottom).
It's a cone
The Cone
circle
A cone
A teardrop-shape would have one vertex (the tip), one edge and one face
A ConeA cone.
CONE
A cone.
cone
The description given fits that of a cone shape.
A cone !
a coneA cone.
A cone or a bulged-out cone.