题目信息

Two circles share a center at point C, as shown to the right. Segment AC is broken up into two shorter segments, AB and BC, with dimensions shown. What is the ratio of the area of the large circle to the area of the small circle ?
A:$$\frac{25}{4}$$
B:$$\frac{5}{2}$$
C:$$\frac{3}{2}$$
D:$$\frac{2}{5}$$
E:$$\frac{4}{25}$$
参考答案及共享解析

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已选答案:
正确答案:
A:$$\frac{25}{4}$$
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题目来源
Manhattan