Adheena walks 1 km towards east and then she turns to south and walks 5 km. Again she turns to east and walks 2 km. After this she turns to north and walking 9 km. Now how far is she from her starting point?
A3 km
B4 km
C5 km
D7 km
A3 km
B4 km
C5 km
D7 km
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