, 2016

The sum of the areas of the squares on the sides of a right-angled isosceles triangle is $72\text{ cm}^2$. What is the area of the triangle?

(A) $6\text{ cm}^2$ (B) $8\text{ cm}^2$ (C) $9\text{ cm}^2$ (D) $12\text{ cm}^2$ (E) $18\text{ cm}^2$