Definitions for right angle

This page provides all possible meanings and translations of the word right angle

Random House Webster's College Dictionary

right′ an′gle(n.)

  1. the angle formed by two intersecting perpendicular lines ; an angle of 90°.

    Category: Math

right′-an′gled(adj.)

Princeton's WordNet

  1. right angle(noun)

    the 90 degree angle between two perpendicular lines

Kernerman English Learner's Dictionary

  1. right angle(noun)ɪt

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Wiktionary

  1. right angle(Noun)

    An angle of 90 degrees; the bisect of the angle formed by a single straight line.

Freebase

  1. Right angle

    In geometry and trigonometry, a right angle is an angle that bisects the angle formed by two halves of a straight line. More precisely, if a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles. As a rotation, a right angle corresponds to a quarter turn. Closely related and important geometrical concepts are perpendicular lines, meaning lines that form right angles at their point of intersection, and orthogonality, which is the property of forming right angles, usually applied to vectors. The presence of a right angle in a triangle is the defining factor for right triangles, making the right angles basic to trigonometry. The term is a calque of Latin angulus rectus; here rectus means "upright", referring to the vertical perpendicular to a horizontal base line.


Translations for right angle

Kernerman English Multilingual Dictionary

right angle

an angle of ninety degrees, like any of the four angles in a square.

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