Directions: Study the information given below carefully and answer the questions that follow.

Prithvi starts walking from his home in the south direction and walks for 7 km to reach point A. Then he takes a right turn and walks 5 km to reach point B. From point B he turns 90 degrees to his left and walks for 8 km to reach point C. From point C again he turns 90 degrees towards his left and walks for 10 km to reach point D. Then he takes a left turn and walks 17 km in the north direction to reach point E. Finally, he makes a 90 degree left turn and walks for 5 km to reach point F.