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一个与球心距离为1的平面截球所得的圆面面积为π,则球的表面积为( ) A. B....
一个与球心距离为1的平面截球所得的圆面面积为π,则球的表面积为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584009_ST/0.png)
B.8π
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584009_ST/1.png)
D.4π
考点分析:
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