Pentagon
The plural form of vertex is verteces or vertexes.
A polygon
polyhedra
Well, darling, any shape that isn't a boring old circle has more than one vertex. So we're talking about your sassy squares, your feisty triangles, your rebellious rectangles, and even those wild pentagons and hexagons. Basically, if it's not round, it's got more than one vertex.
A polygon.
Nothing
A triangle, for example.
cylinder defenly * * * * * Whatever defenly means, the answer is definitely not a cylinder which has no vertex - not more than one! A rhomboid is one possible answer.
It cannot have more than one.
A vertex !
I think you mean corner and it's called a vertex. If you have more than one vertex they are called vertices.
There two different shapes that have more than one vertex. One is a triangle it is a plane figure that has three straight sides and three angles and a quadrilateral which a four sided figure.