Types of lines

Front

What is a point?

Back

A point is a specific location in space that has no size or dimension.

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 starts at one point and extends infinitely in one direction.

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never intersect and are always the same distance apart.

Front

What are intersecting lines?

Back

Intersecting lines are lines that cross each other at one point.

Front

What are perpendicular lines?

Back

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

Front

What is the notation for a line segment between points F and G?

Back

Front

What is the notation for a ray starting at point F and passing through point G?

Back

The notation is @@ ightarrow{FG}@@.

Front

What is the notation for a line that extends infinitely in both directions through points F and G?

Back

The notation is @@ ightarrow{FG}@@.

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.