三月十四号考试！紧急求助！

王小兔兔

In the figure, points A, B, C, D lies on a line. A is on both circles, B is the center of the smaller circle, C is the center of the larger of the larger circle, D is on the smaller circle, and E is on the larger circle. What is the area of the region inside the larger circle and outside the smaller circle?
(1)AB=3 and BC=2
(2)CD=1 and DE=4
我认为each statement alone is sufficient，但是答案给的是statement (1) alone is sufficient, but statement (2) alone is not sufficient, 我朋友给的解释是，题里给的图只是一个示意图，statement (2)存在两种情况——C在小圆外和C在小圆内。但我认为这个解释有些牵强，难道给的图不可以直接用吗，它真的只是一个示意图，具体情况还要通过条件分析吗？
题里的图我弄不上来 但是题里给的就是一个图 也就是按题里画的图就只有一种情况啊

justeva

GWD CUOLE