Direction: Study the following information carefully and answer the questions based on it:

A person starts walking from A towards east direction to reach B, which is 15 m east to

A. He then takes a right turn and walks 20 m to reach point C. From C, he takes left turn and walks 15 m to point D; then again, he takes a left turn and walks 10 m to point E. From E, he takes a left turn and walks 20 m to reach point F. He then takes a right turn and walks 5 m to reach G and finally takes a left turn to reach point H, which is 10 m away from G.