The hypotenuse of an isosceles right triangle is 18 centimeters longer than either of its legs. Find the exact length of each side. (Hint: An isosceles right triangle is a right triangle whose legs are the same length) The length of one leg is the length of the other leg is and the length of the hypotenuse is (Simplify your answers, including any radicals. Use integers or fractions for any numbers in the expressions.)