9. A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 440 6.6 km apart, to be 370 and 440, as shown in the figure. Find the distance of the plane from point A, and the elevation of the plane. B 10. A pilot is flying over a straight highway. He 1560 determines the angles of depression to two mileposts, 4.3 km apart, to be 32 and 560, as shown in the figure. Find the distance of the plane from point A, and the elevation of the plane. A B