A woman walked 9 km towards East, took a right turn and walked 9 km, took another right turn and walked 4 km. She then walked 14 km towards North and took right turn and walked 11 km. She then finally took a right turn and walked 5 km. How far is she from the starting point?
1
18 km
2
20 km
3
16 km
4
13 km