question: public Shape triangle_right ( float x , float y , float height ) { m_path . reset ( ) ; m_path . moveTo ( x , y + height ) ; m_path . lineTo ( x + height , y + height / 2 ) ; m_path . lineTo ( x , y ) ; m_path . closePath ( ) ; return m_path ; }
target:  Returns a right-pointing triangle of the given dimenisions.