English

Definition of right angle noun from the Oxford Advanced Learner's Dictionary

 

right angle

 noun
noun
BrE BrE//ˈraɪt æŋɡl//
 
; NAmE NAmE//ˈraɪt æŋɡl//
 
 
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an angle of 90° Place the table at right angles/at a right angle to the wall compare acute angle, obtuse angle, reflex angle
See the Oxford Advanced American Dictionary entry: right angle