Parallel & Perpendicular Lines

PERPENDICULAR meaning: going straight up or to the side at a 90 degree angle from another line or surface

Key Takeaways · Parallel lines have the same slope · Perpendicular lines have slopes that are opposite reciprocals In other words, if m=ab,

perpendicular What are perpendicular lines? Perpendicular lines are lines that intersects at a right angles (90

perpendicular To find the gradient of a line which is perpendicular to one of gradient ab, we invert the fraction and multiply by -1 This