Lines, Line Segments, and Rays

Front

What is a point?

Back

A point is a precise location or position in space, represented by a dot.

Front

What is a line?

Back

A line is a straight one-dimensional figure that extends infinitely in both directions.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is a ray?

Back

A ray is a part of a line that has one endpoint and extends infinitely in one direction.

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect to form right angles (90 degrees).

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

How do you represent a point in geometry?

Back

A point is represented by a dot and usually labeled with a capital letter.

Front

What is the symbol for a line segment?

Back

A line segment is often represented by the endpoints with a line over them, e.g., AB.

Front

What is the symbol for a ray?

Back

A ray is represented by its endpoint and another point, with an arrow indicating the direction, e.g., AB.

Front

Can two lines be perpendicular if they do not intersect?

Back

No, two lines must intersect to be considered perpendicular.