Question

which is the definition of a ray? a part of a line that has one endpoint and extends indefinitely in one direction the set of all points in a plane that are a given distance away from a given point lines that lie in the same plane and do not intersect a part of a line that has two endpoints

Explanation:

A ray is defined as a part of a line with one - endpoint and extends infinitely in one direction. The second option describes a circle, the third option describes parallel lines, and the fourth option describes a line - segment.

Answer:

a part of a line that has one endpoint and extends indefinitely in one direction