Parallel, Perpendicular, and Intersecting Lines

Front

What are parallel lines?

Back

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

Front

What are perpendicular lines?

Back

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

Front

What are intersecting lines?

Back

Lines that cross each other at any angle.

Front

Give an example of parallel lines in real life.

Back

Railroad tracks are an example of parallel lines.

Front

Give an example of perpendicular lines in real life.

Back

The corner of a square or rectangle forms perpendicular lines.

Front

Give an example of intersecting lines in real life.

Back

The intersection of roads is an example of intersecting lines.

Front

How can you identify parallel lines in a drawing?

Back

They will have the same slope and will never touch.

Front

How can you identify perpendicular lines in a drawing?

Back

They will form a right angle (90 degrees) where they meet.

Front

How can you identify intersecting lines in a drawing?

Back

They will cross each other at any angle.

Front

What is the symbol for parallel lines?

Back

The symbol for parallel lines is '||'.