Triangles ABC and DEF are right triangles with AB = CB = DE = EF. If the area of the inscribed square region labeled X is 441, what is the area of the inscnibed square region labeled Y?
Triangles ABC and DEF are right triangles with AB = CB = DE = EF. If the area of the inscribed square region labeled X is 441, what is the area of the inscnibed square region labeled Y?