Comprehension Passage
Direction: Study the following information to answer the given questions:
A girl starts walking from point A and walks 20 km towards the north and stops at point B. Now, she turns 45° to her left and walks 20 km to reach point C. Now, she takes 135° left turn and walks 20 km to reach a point D. Finally, she turns 45° to her left and walks 20 km to reach point E.
What is the smaller angle between x-axis (East-West axis) and BC?
1
45
2
90
3
135
4
120
5
None of these