関連ワード:  does an obtuse triangle have 1 obtuse angle    does an acute triangle have one obtuse angle    does an obtuse triangle have more than one obtuse angle    can an obtuse triangle have more than one obtuse angle    an obtuse triangle has 1 obtuse angle    does an isosceles triangle have one obtuse angle    an obtuse triangle has one obtuse angle true or false    an obtuse triangle has one obtuse angle whose measure is    can a triangle have 1 obtuse angle  
結果 : does an obtuse triangle have 1 obtuse angle