Which of the following is an example of an undefined notion?(1 point)Responses An angle is an example of an undefined notion. A line segment is an example of an undefined notion. A circle is an undefined notion. A line is an example of an undefined notion.

Answer 1

A line is an example of an undefined notion. In geometry, undefined notions are the basic concepts that are not formally defined but are understood through their properties and relationships. Along with points and planes, lines are typically considered one of the fundamental undefined notions in geometry.