Answer:
64.1
Explanation:
Let c be the length of the hypotenuse of the right triangle given. If x = 12, then the two legs of the right triangle are 53 and 36 (just substitute x for 12). Using the Pythagorean:
Solve for c to get 64.07027391... which is 64.1, rounded to the nearest tenth.
Hope this helps :)