right angle
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See also: right-angle
English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/72/Triangle.Right.svg/220px-Triangle.Right.svg.png)
Etymology
[edit]Calque of Latin angulus rectus.
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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