May 21, 2026 · 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 the …

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.

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 figure given …

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 quiz, and …

Mar 26, 2025 · Parallel lines are two or more lines that lie in the same plane but never intersect, no matter how far they are extended. The symbol ‖ is used to indicate parallel lines. In contrast, …

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

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

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.

Jun 14, 2022 · Perpendicular lines intersect at a 90° angle. Their slopes are negative reciprocals of each other. You can use slope to determine whether two lines are parallel, perpendicular, or neither. …

Definition of perpendicular adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.