To attend an exam, Sudhir reached the school by travelling

To attend an exam, Sudhir reached the school by travelling 5 km towards South, and after a sharp left turn, he travelled for about 10 km. He again made a sharp left turn and reached in front of the school by travelling 5 km more. Which direction is Sudhir’s starting point from the school?

Draw a figure as per given instruction in the question. We can see that according to graph Starting point is in west direction from the school.