This problem can use the Pythagorean theorem of c2 = a2 +
b2 where c is the length of the hypotenuse, b is the length of the longer side
and a is the length of the shorter side. Plugging in the values of c and b
12.6^2 = 8.5^2 + a2, the value of the shorter side is equal to 9.3.
