Answer:
From pythogeron therom 5 , 12 ,13 are sides of right angle triangle.
As you can see here 13 is hypotenuse , 5 is adjacent side , 12 is opposite side.
From pythogeron therom 37, 12 , 35 are sides of right angle triangle .
So 37 is hypotenuse , 35 is an adjoining side , 12 is opposite side.