设不等式组 {0≤x≤20≤y≤2 ，表示的平面区域为D，在区域D内随机取一个点，则此点到坐标原点的距离大于2的概率是

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设不等式组 {0≤x≤20≤y≤2 ，表示的平面区域为D，在区域D内随机取一个点，则此点到坐标原点的距离大于2的概率是（）

A： $\frac{π}{4}$

B： $\frac{π - 2}{2}$

C： $\frac{π}{6}$

D： $\frac{4 - π}{4}$

上一题下一题 0.0难度选择题更新时间:2019-08-14 04:47:17

D

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