関連ワード:  can a right triangle have an obtuse angle    can a right triangle have an obtuse angle why or why not    does a right triangle have an obtuse angle    can a right triangle have an acute angle    does a right triangle have an acute angle    can a right triangle have two obtuse angles    a right triangle can have an obtuse angle true or false    why can't a right triangle have an obtuse angle    can a right triangle have two acute angles    does a right triangle have one obtuse angle  
結果 : can a right triangle have an obtuse angle