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obtuse angle

noun
🔊/əbˌtjuːs ˈæŋɡl/
🔊/əbˌtuːs ˈæŋɡl/
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  1. an angle between 90° and 180°钝角
     compare acute angle, adjacent angle, complementary angle, exterior angle, interior angle, oblique angle, reflex angle, right angle, supplementary angleTopics Maths and measurementc2