Current time: 0:00Total duration: 2:08

0 energy points

# Intro to parallel & perpendicular lines

Sal discusses how to tell if lines are parallel or perpendicular. Created by Sal Khan.

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# Intro to parallel & perpendicular lines

Current time: 0:00Total duration: 2:08

0 energy points

Sal discusses how to tell if lines are parallel or perpendicular. Created by Sal Khan.