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In geometry, perpendicular lines are defined as two lines that meet or intersect each other at right angles (90 ∘). The term ‘perpendicular’ originated from the Latin word ‘perpendicularis,’ meaning a plumb line. If two lines AB and CD are perpendicular, then we can write them as AB ⊥ CD.
We say that a line is perpendicular to another line if the two lines meet at an angle of 90 °. Let us understand the concept of perpendicular lines, the perpendicular sign, the difference between parallel and perpendicular lines, along with some perpendicular lines examples.
In Mathematics, a perpendicular is defined as a straight line that makes the right angle (90 degrees) with the other line. In other words, if two lines intersect each other at the right angle, then the lines are perpendicular to each other.
Perpendicular lines are two straight lines that meet or intersect at 90°. The opposite of perpendicular lines are parallel lines. Unlike perpendicular lines, parallel lines never intersect. The equation of a line that is perpendicular is y = mx + c.
Illustrated definition of Perpendicular Lines: Lines that are at right angles (90deg) to each other. Try for yourself below:
Perpendicular Lines (Geometry) Two lines are perpendicular or orthogonal if they meet at right angles. For two perpendicular lines, all four angles formed by the two lines are equal to 90 ^ \circ 90∘. Two non-vertical lines are perpendicular if and only if the product of their slopes is -1.
Perpendicular lines, rays, and line segments are lines or parts of lines that meet or cross at right angles. If lines l and m are perpendicular to each other, we can write l⊥m where "⊥" is the symbol for perpendicular.
