11. x = 12. x = r 27 18 30 43 13. Kurt spots a bird sitting at the top of a 40 foot tall telephone pole. If 13. the angle of elevation from the ground where he is standing to the bird is 59', how far is Kurt standing from the base of the pole? 14. A helicopter flying 1,600 feet above the ground spots an airplane 14. flying above. If the horizontal distance between the helicopter and airplane is 3,055 feet and the angle of elevation is 71', find the airplane's altitude