(05.04 MC) observer (O)? An observer (O) spots a plane flying at a 42 angle to his horizontal line of sight. If the plane is flying at an altitude of 15,000 feet, what is the distance (x) from the plane (P) to the P h = 15,000 ft 420 O 10,035 feet 16,648 feet 20,188 feet 22,417 feet