Lines

Front

What is an intersecting line?

Back

An intersecting line is a line that crosses another line at one point.

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 a point and extends infinitely in one direction.

Front

What is a parallel line?

Back

Parallel lines are lines that never meet and are always the same distance apart.

Front

What is a perpendicular line?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

How many points are needed to define a line?

Back

Two points are needed to define a line.

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

Can two lines be both parallel and intersecting?

Back

No, two lines cannot be both parallel and intersecting; they are mutually exclusive.

Front

What do you call two lines that meet at a right angle?

Back

Two lines that meet at a right angle are called perpendicular lines.

Front

What is the symbol for a line segment?

Back

The symbol for a line segment is usually represented by two endpoints with a line over them, like AB.