Axel needs an round table of at least 45 ft, what is the area of his parents dining room table which is round and has a diameter of 7 ft?

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?