Read the following instructions carefully and answer the given questions. From point A, person walks 12 metres towards northeast directions reached point B. Then take a `90^(@)` right turn and walks 24 meter and reached point C, then turn to the east direction and walks 10 metres. After reaching point Z, he saw a river, which is north-east direction of point C.
If point F is the midpoint of line BC, and Point ABF makes an equilateral angle. Then what is the difference between distance of midpoint of line AF and distance of midpoint line BC?

Options

A. 20 metres
B. 32 metres
C. 6 metres
D. Can't be determined

Answer

C

Explanation