A man walks 1 km towards East and then turns towards South and walks 5 km. Again he turns to East and walks 2 km. After this he turns to North and walks 9 km. Now, how far is he from his starting point ?
A3 km
B4 km
C5 km
D13 km
A3 km
B4 km
C5 km
D13 km
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