Perpendicular lines: Two lines in a plane that form congruent adjacent angles; all of the angles created by the intersection of perpendicular lines are called right angles.

Resources for this term:
Finding Equations of Parallel and Perpendicular Lines
Finding Equations of Parallel and Perpendicular Lines

Students identify parallel and perpendicular lines and find points of intersection and x- and y-intercepts by looking at the equations of the lines.

EduCore Log-in