Lillian spots an airplane on radar that is currently approaching in a straight line, andthat will fly directly overhead. The plane maintains a constant altitude of 6975 feet.Lillian initially measures an angle of elevation of 18° to the plane at point A. At somelater time, she measures an angle of elevation of 33° to the plane at point B. Find thedistance the plane traveled from point A to point B. Round your answer to thenearest tenth of a foot if necessary.
