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:

• The first option: A ray is defined as a part of a line with one endpoint and extending infinitely in one direction.
• The second option describes a circle (set of points at a given distance from a center point).
• The third option is the definition of parallel lines.
• The fourth option is the definition of a line segment (part of a line with two endpoints).

Answer:

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