Parallel and Perpendicular Lines College Algebra

Perpendicular Lines perpendicular perpendicular · ​perpendicular forming an angle of 90° with another line or surface; vertical and going straight up Are the lines perpendicular perpendicular Key Takeaways · Parallel lines have the same slope · Perpendicular lines have slopes that are opposite reciprocals In other words, if m=ab,

perpendicular Two line segments or rays that are connected at one endpoint are perpendicular if and only if the angle they create measures 90° For example, the two lines of