Yo can say 13gon or 14gon because really there is no name for it.
The vertex angle is connected to the vertex point
A circle does not have a vertex.
vertex
A triangle is not a segment joining a vertex and the midpoint of the side opposite the vertex.
Yo can say 13gon or 14gon because really there is no name for it.
The vertex angle is connected to the vertex point
A cube has no vertex
A circle does not have a vertex.
vertex
Vertex of a triangle is any of its 3 corners and the plural of vertex is vertices
A triangle is not a segment joining a vertex and the midpoint of the side opposite the vertex.
the vertex of the angle is the point
The vertex
Vertex
A vertex !
yes they do have a vertex