Parallel Intersecting And Perpendicular. What grade levels do this video target? Perpendicular lines are lines that intersect at a right (90 degrees) angle.
Pairs of lines that intersect each other at right angles are called perpendicular lines.
Labelling lines as parallel, perpendicular or intersecting. Created by sal khan and monterey institute for technology and education. Pairs of lines that intersect each other at right angles are called perpendicular lines. However, in geometry, there are three types of lines that students should understand.
