right angle

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Related to Ninety-degree angle: right angle

right angle

the angle between two radii of a circle that cut off on the circumference an arc equal in length to one quarter of the circumference; an angle of 90? or π/2 radians

right angle

[′rīt ′aŋ·gəl]
(mathematics)
An angle of 90°.

right angle

An angle of 90°.
References in periodicals archive ?
Behind him the Bay of Hong Kong extends as far as the eye can see, but is turned at a ninety-degree angle, its skyscrapers strangely reclining, horizontal.
Four of the walls were installed at the center of the exhibition space, at ninety-degree angles, with the videos playing on them simultaneously.
Since there are few ninety-degree angles in nature, many of our walls and soffits are curved to soften the appearance of corridors and corners.
It has "wings" that are offset and extend at ninety-degree angles from a "huh.
The students constructed the frames by using the splines and wood glue to join the corners, then checking the corners with a square to ensure ninety-degree angles.