Parallel & Perpendicular Lines - GCSE Maths

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

Perpendicular lines are lines that intersect at right angles By using Pythagoras's Theorem it can be shown that two lines with slopes m1 and m2

perpendicular Illustrated definition of Perpendicular Lines: Lines that are at right angles to each other Try for yourself below:

perpendicular Setting out Perpendicular Lines: the Rope Method A line has to be set out perpendicular to the base line from peg Peg is not on the base line A