Lines, Line Segments, Parallel, Perpendicular Lines

Front

What are parallel lines?

Back

Lines that never meet and are always the same distance apart.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

Front

What is a point?

Back

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

Front

Do parallel lines cross each other?

Back

No, parallel lines do not cross each other.

Front

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

Back

A line goes on forever in both directions, while a line segment has two endpoints.

Front

What do we call lines that intersect at an angle?

Back

Intersecting lines.

Front

What is the symbol for parallel lines?

Back

The symbol || is used to denote parallel lines.

Front

Can two lines be both parallel and perpendicular?

Back

No, two lines cannot be both parallel and perpendicular at the same time.

Front

What is an example of parallel lines?

Back

The rails of a train track.