A 32​-ft string of lights reaches from the top of a pole to a point on the ground 16 ft from the base of the pole. How tall is the​ pole?

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?