Two ladders AB and CD are inclined on two floors of a building as shown below, such that BC = √2 m. If the height of each floor is 4√2 m, how much minimum distance is to be covered to walk from point A to point D?
1
(4 + 5√2) m
2
(5 + 4√2) m
3
(8 + 9√2) m
4
(9 + 8√2) m