A car is heading east along the highway. For the first time, it turned right 30 degrees. After driving for one kilometer, turn right 150. What is the direction of the car? Why?

Finally, due west,

Pay attention to how many degrees you turn, which means the angle with the forward direction.

Turn right 30, then turn right 150, which is always * * * turn 180, so it is opposite to the departure direction.