Aj walks 20 feet away from his house and places a mirror on the ground. aj backs 5 feet away from the mirror so that he can see the tip of the roof. aj's eyes are 5.5 feet above the ground. aj and the house are both perpendicular to the ground. the angles between the top of house, the mirror, and the ground and between aj's eyes, the mirror, and the ground are congruent as shown in the image below. what is the height of the house?