A man starts from ‘O’, travels 20 km towards East to reach point ‘A’, turns right and travels 10 km to reach point ‘B’, turns right and travels 9 km to reach point ‘C’, turns right and travels 5 km to reach point ‘D’, turns left and travels 11 km and stops for some time and travels 1 km to reach point ‘E’ and then turns right and travels 6 km to reach point ‘F’.What is the shortest distance between point ‘A’ and point ‘D’?

A man starts from ‘O’, travels 20 km towards East to reach point �

1.	A man starts from ‘O’, travels 20 km towards East to reach point ‘A’, turns right and travels 10 km to reach point ‘B’, turns right and travels 9 km to reach point ‘C’, turns right and travels 5 km to reach point ‘D’, turns left and travels 11 km and stops for some time and travels 1 km to reach point ‘E’ and then turns right and travels 6 km to reach point ‘F’.What is the shortest distance between point ‘A’ and point ‘D’?
A.	\(5\sqrt {17} \)
B.	\(\sqrt {106} \)
C.	\(\sqrt {181} \)
D.	13
Answer» C. \(\sqrt {181} \)

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