Perpendicular and parallel lines

The slope of the parallel line is undefined and the slope of the perpendicular line is 0 notebook Example 4: Find the

Parallel and perpendicular lines If two non-vertical lines that are in the same plane has the same slope, then they are said to be parallel Two parallel

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

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