- A 90° angle. The third of the four angles below is a right angle. The first two are obtuse angles. The last is an acute angle.
Glossary of Art Terms. 2014.
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Right angle — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where … The Collaborative International Dictionary of English
Right angle — Right Right (r[imac]t), a. [OE. right, riht, AS. riht; akin to D. regt, OS. & OHG. reht, G. recht, Dan. ret, Sw. r[ a]tt, Icel. r[ e]ttr, Goth. ra[ i]hts, L. rectus, p. p. of regere to guide, rule; cf. Skr. [.r]ju straight, right. [root]115. Cf.… … The Collaborative International Dictionary of English
right angle — right angles also right angle 1) N COUNT A right angle is an angle of ninety degrees. A square has four right angles. 2) PHRASE: oft PHR to n If two things are at right angles, they are situated so that they form an angle of 90° where they touch… … English dictionary
right angle — right ,angle noun count an angle of 90° at right angles to/at a right angle to if one thing is at right angles to another thing, they form an angle of 90 degrees at the point where they meet ╾ right ,angled adjective … Usage of the words and phrases in modern English
right angle — right .angle n 1.) an angle of 90°, like the angles at the corners of a square 2.) at right angles (to sth) if two things are at right angles, they make a 90° angle where they touch ▪ Hold the brush at right angles to the surface. >right… … Dictionary of contemporary English
right angle — ► NOUN ▪ an angle of 90°, as in a corner of a square. ● at right angles to Cf. ↑at right angles to DERIVATIVES right angled adjective … English terms dictionary
right angle — n. an angle of 90 degrees; angle made by the meeting of two straight lines perpendicular to each other: see ANGLE1 … English World dictionary
Right angle — In geometry and trigonometry, a right angle is an angle of 90 degrees, corresponding to a quarter turn (that is, a quarter of a full circle). It can be defined as the angle such that twice that angle amounts to a half turn, or 180° [Lindahl, G.… … Wikipedia
right angle — UK / US noun [countable] Word forms right angle : singular right angle plural right angles maths an angle of 90° • at right angles to/at a right angle to if one thing is at right angles to another thing, they form an angle of 90 degrees at the… … English dictionary
right-angle — (ˈ) ̷ ̷| ̷ ̷ ̷ ̷ verb Etymology: right angle transitive verb : to bend, direct, or locate at a right angle white benches were right angled to every doorstep Anna Cunningham … Useful english dictionary
right angle — noun Date: 15th century the angle bounded by two lines perpendicular to each other ; an angle of 90° or 1/2 π radians • right angled or right angle adjective … New Collegiate Dictionary