What Are Perpendicular Lines? | Best Geometry Review

This video shows how to solve a problem involving perpendicular lines. Given a line l and a point P in the same plane, how many lines through P can be drawn in the plane that are perpendicular to l ? If P is on line l, there can be only one perpendicular line through P. If P is somewhere else, there is still only one line that can be drawn that would be perpendicular to line l.

Perpendicular Lines

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Last updated: 05/03/2018


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