right angle

(redirected from at a right angle)
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  • noun

Antonyms for right angle

the 90 degree angle between two perpendicular lines

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References in classic literature ?
At a right angle across the animal's neck face upward, a bullet in the brain, lay the body of Trooper Dunning, stiff as a statue, hours dead.
The better to follow this narrative, we shall call the gallery leading from the stairs to the eastern window, the "right" gallery and the gallery quitting it at a right angle, the "off-turning" gallery (winding gallery in the plan).