Directions: Study the information given below carefully and answer the questions that follow.

A person starts from point A and goes towards east direction for 6 km to reach point B and then turns right and goes 4 km to reach point C. From C he turns left and travels 3 km to reach point D and then turns towards north-west direction such that it passes through point B again and goes for 15 km till he reaches point E. From point E he turns towards the south and goes for 12 km to reach point F such that he passes from point A in between. From F he turns right and travels for 3 km to finally reach point G.