In the figure above, if the area

In the figure above, if the area of triangular region D is 4, what is the length of a side of square region A ? (1) The area of square region B is 9. (2) The area of square region C is 64/9. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient., Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient., BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient., EACH statement ALONE is sufficient., Statements (1) and (2) TOGETHER are not sufficient.