Identifying parallel and 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

How many sets of parallel sides does a rectangle have?

Back

2 sets of parallel sides.

Front

What angle do perpendicular lines form?

Back

A right angle.

Front

What is the relationship between parallel lines?

Back

They never intersect.

Front

If two lines intersect and form a right angle, what type of lines are they?

Back

Perpendicular lines.

Front

Can parallel lines be curved?

Back

No, parallel lines are straight and never meet.

Front

What is an example of parallel lines in real life?

Back

Railroad tracks.

Front

What is an example of perpendicular lines in real life?

Back

The corners of a square or rectangle.

Front

If two lines are not parallel and do not intersect, what are they called?

Back

Skew lines.