An isosceles trapezoid is shown below. Line g intersects two vertices. Line h bisects each side it passes through. Point X is the center of the isosceles trapezoid. g A X Which transformation(s) must map the isosceles trapezoid exactly onto itself? Choose all that apply. Reflection across line h Counterclockwise rotation about X by 180 Reflection across line g Clockwise rotation about X by 270 None of the above