Geometry

The answer is B. .

 

Let's analyze each option based on the definitions of different geometric figures:

 

A."AB" simply represents two points  and . It does not convey any information about a geometric object like a ray, line, or segment. It is just a notation for referring to two individual points, so it does not match a ray.

 

B.By definition, a ray is a part of a line that has one endpoint and extends infinitely in one direction. In the notation , the point  is the endpoint, and the ray extends infinitely through the point  and beyond. This is the standard notation for representing a ray, so this option matches a ray.

 

C.The symbol

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