A plane takes off from an airport and flies to town A, located d1 = 320 km from the airport in the direction 20.0∘ north of east. The plane then flies to town B, located d2 = 255 km at 30.0∘ west of north from town A. Use graphical methods to determine the distance and direction from town B to the airport. (Enter the distance in km and the direction in degrees south of west. ) distance km direction ∘ south of west