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

Do parallel lines ever meet?

Back

No, parallel lines never meet.

Front

Do perpendicular lines meet?

Back

Yes, perpendicular lines meet at a right angle.

Front

Can intersecting lines be parallel?

Back

No, intersecting lines cannot be parallel.

Front

What is an example of parallel lines?

Back

The edges of a ruler.

Front

What is an example of perpendicular lines?

Back

The lines of a plus sign (+).

Front

What is an example of intersecting lines?

Back

The lines of an X.

Front

How many degrees do perpendicular lines form?

Back

90 degrees.