In the diagram, \triangle A B C is right-angled at C. Points D, E, F are on A B, points G, H, J are on A C, point K is on E H, point L is on F J, and point M is on B C so that D K H G, E L J H and F M C J are squares.
The area of D K H G is 16 and the area of E L J H is 36 . The area of square F M C J is
Answer Choices
A. 64
B. 52
C. 100
D. 81
E. 75