A lenticular shape: the shape of a lens.
A cone
CONE
A cone !
A ConeA cone.
The 3-D shape with one edge, two faces, and one vertex is a cone. It has a circular base (one face) and a curved surface that tapers to a point (the vertex). The edge is the circular boundary of the base.
The description given fits that of a cone shape.
a coneA cone.
A cone or a bulged-out cone.
A cone seems to fit the given description
its a triangle
2
2 faces1 edgeno vertices