Sheela walks from A to B which is 2 km. away, turns right at 90° and walks for 3 km. to point C, turns right at 90° and walks to D which is 8 km. away, turns 90° right and goes 3 km. to point K. Then, once again she turns right, 90° and walks 4 km. to point F. How for is it from A to F?
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