vortex, mucinex, sex, unisex, ibex (it's an animal), chex, hex, vex, kex, flex, and rex
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
1 is a number. It does not have a vertex!