関連ワード:  can a triangle have two obtuse angles true or false    a triangle have two obtuse angles true or false    a triangle cannot have two obtuse angles true or false    a triangle can have two obtuse and one right angle true or false    can a triangle have two obtuse angles why or why not    can a triangle have two obtuse angles    why can't a triangle have two obtuse angles    can a triangle have two obtuse angles justify your answer  
結果 : can a triangle have two obtuse angles true or false