Question

What's the basic geometric term for the part of an angle where two rays begin and go in two different directions?

Answer 1

Answer

B. Vertex

Explanation

A vertex is the meeting point of two rays or lines. It is also defined as the point where two or more edges meet. The rays begin and go in two different directions from the vertex.  

In geometry we can say that, it is where each angular point of a polygon, polyhedron, or other figure.