Parallel & Perpendicular 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 is an example of parallel lines in real life?

Back

The yellow yard lines on a football field.

Front

What is an example of perpendicular lines in real life?

Back

The intersection of streets that form a cross.

Front

What do we call lines that cross each other?

Back

Intersecting lines.

Front

How can you identify parallel lines in a drawing?

Back

They will never touch and will have the same slope.

Front

How can you identify perpendicular lines in a drawing?

Back

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

Front

What is the relationship between parallel lines and angles?

Back

Parallel lines do not create angles with each other.

Front

What is the relationship between perpendicular lines and angles?

Back

Perpendicular lines create right angles (90 degrees) at their intersection.

Front

What type of lines are the tracks of a railroad?

Back

Perpendicular lines.