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Definition of Obtuse triangle
1. Noun. A triangle that contains an obtuse interior angle. 
Definition of Obtuse triangle
1. Noun. (geometry) A triangle one of the angles of which is obtuse. ¹
¹ Source: wiktionary.com
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1. Noun. A triangle that contains an obtuse interior angle. 
1. Noun. (geometry) A triangle one of the angles of which is obtuse. ¹
¹ Source: wiktionary.com