Two lines are said to be perpendicular if they intersect at right angles. That means they form \(90^\circ\) angles at the point of intersection. If line \(m\) is perpendicular with line \(n\), we write it as \(m\) \(\perp\) \(n\).

Two lines are said to be perpendicular if they intersect at right angles. That means they form \(90^\circ\) angles at the point of intersection. If line \(m\) is perpendicular with line \(n\), we write it as \(m\) \(\perp\) \(n\).