To find the product 3/7 x 4/9, cameron found the gcf of 3 and 9. he then multiplied the fractions 1/7 and 4/9 to find the product 4/63. what was cameron's error?

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?