1. From the top of a building 70 meters high, the angles of depression of two objects that are directly east of the observation position are 38° and 25° respectively. find the distance between the objects.
2. The angle of elevation of the top of a flag pole as seen from a window is 40° and the angle of depression of its base 35°. if the window is 15 meters away from the flagpole, how high is the flag pole?