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right angle

noun
🔊/ˈraɪt æŋɡl/
🔊/ˈraɪt æŋɡl/
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  1. an angle of 90°直角
    • Place the table at right angles/at a right angle to the wall将桌子跟墙垂直摆放。
    compare acute angle, oblique angle, obtuse angle, reflex angleTopics Colours and Shapesc1, Maths and measurementc1