An airplane starting from airport A flies 300 km east, then 335 km at 27.0° west of north, and then 150 km north to arrive finally at airport B.
(a) The next day, another plane flies directly from A to B in a straight line. In what direction should the pilot travel in this direct flight?
(b) How far will the pilot travel in the flight? Assume there is no wind during either flight.