Parallel, perpendicular, skew lines

Front

What are parallel lines?

Back

Two lines that never cross.

Front

What are perpendicular lines?

Back

Two lines that intersect at 90 degrees.

Front

What are skew lines?

Back

Lines that do not intersect and are not parallel.

Front

Name a line parallel to line AD.

Back

Line EH.

Front

Name a line perpendicular to line FG.

Back

Line FB.

Front

What kinds of lines are pictured if they intersect at a right angle?

Back

Perpendicular lines.

Front

Are lines j and k skew?

Back

Yes.

Front

What is the relationship between parallel lines?

Back

They maintain a constant distance apart.

Front

Can two lines be both parallel and perpendicular?

Back

No, they cannot be both.

Front

If two lines intersect, what type of lines are they?

Back

They are not parallel.