right angle
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See also: right-angle
English[edit]
Etymology[edit]
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Which meaning of right? Wikipedia has an etymology.”)
Noun[edit]
right angle (plural right angles)
- (geometry) Half of the angle formed by a single straight line, equivalent to 90 degrees.
- Coordinate terms: acute angle, obtuse angle
- (mathematics) An ∟ character.
Derived terms[edit]
Related terms[edit]
Translations[edit]
angle of 90 degrees
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