Whenever we have one side (a) of a right-angled triangle, and know the difference between the second side and the hypotenuse (which difference we will call b), then the length of the hypotenuse will be

a2/2b + b/2

In the case of our puzzle this will be

(48  48)/6  + 1 in. = 32 ft. 1 in.,

which is the length of the rope.


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