関連ワード:  isosceles triangle with an obtuse angle    an isosceles triangle with one obtuse angle    an isosceles triangle has an obtuse angle    an isosceles triangle cannot have an obtuse angle    an isosceles triangle can be an obtuse angle    an isosceles triangle with three acute angles    an isosceles triangle with two acute angles    can an isosceles triangle have an obtuse angle    does an isosceles triangle have an obtuse angle    draw an isosceles triangle with one obtuse angle  
結果 : an isosceles triangle with an obtuse angle