Video
Parallel & perpendicular lines intro (Full video)
Khan Academy
Supporting grades: 4
Description: Parallel lines never intersect, and perpendicular lines intersect at a 90 degree angle. Learn how to identify parallel and perpendicular lines. Created by Sal Khan. Perpendicular lines are two lines that intersect at a right angle. We would say these two lines are perpendicular if they intersect at a right angle.
You must log inorsign upif you want to:*
*Teacher Advisor is 100% free.
