题目信息
Each circle has center O. The radius of the smaller circle is 2 and the radius of the larger circle is 6. If a point is selected at random from the larger circular region, what is the probability that the point will lie in the shaded region?
A:$$\frac{1}{9}$$
B:$$\frac{1}{6}$$
C:$$\frac{2}{3}$$
D:$$\frac{5}{6}$$
E:$$\frac{8}{9}$$
参考答案及共享解析

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已选答案:
正确答案:
E:$$\frac{8}{9}$$
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题目来源
Magoosh