A line is said to be perpendicular to a plane if it is perpendicular to every line in the plane that it intersects. This definition depends on the definition of perpendicularity between lines.

Dec 5, 2015 · vertical, perpendicular, plumb mean being at right angles to a base line. vertical suggests a line or direction rising straight upward toward a zenith. perpendicular may stress …

A perpendicular is a straight line that makes an angle of 90 ° with another line. 90 ° is also called a right angle and is marked by a little square between two perpendicular lines as shown in the …

Oct 23, 2025 · In this guide, we’ll take a closer look at what perpendicular means in math and geometry through clear definitions, easy-to-follow visuals, side-by-side comparisons, a fun little …

PERPENDICULAR meaning: 1. at an angle of 90° to a horizontal line or surface: 2. at an angle of 90° to another line or…. Learn more.

A perpendicular is a line that intersects another line at a right angle. Learn the definition of perpendicular, symbol, properties, real life examples, and more.

Perpendicular definition: vertical; straight up and down; upright.. See examples of PERPENDICULAR used in a sentence.

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 …

The definition of perpendicular is a straight line at an angle of 90° to a given line, plane or surface. The word ‘perpendicular’ originated from the Latin word ‘perpendicularis’, meaning a plumb line.

How to use Algebra to find parallel and perpendicular lines. How do we know when two lines are parallel? Their slopes are the same!