- (A) 条件(1)充分,但条件(2)不充分.
- (B) 条件(2)充分,但条件(1)不充分.
- (C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
- (D) 条件(1)充分,条件(2)也充分.
- (E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.

What is the area of the figure above formed by a square and four semicircles
(1) The perimeter of the figure is 12π.
(2) The perimeter of the square is 24.