a vertex or vertice(s)!
At a point, which is called a vertex.
vertex
< the point where the two rays meet is called a vertex.
The vertex of the angle.
It's true, an angle is made up of two rays. Two rays meet at a point, and their relative position at the point where they meet will define an angle.
the vertex of the angle
the vertex
The vertex of an angle is the point where the two rays meet. An example is angle ABC. the two rays are ray BA and ray BC. The two rays meet at point B.
a vertex
the vertex
Concurrent
You are a vertex