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已知A、B为球面上的两点,O为球心,且AB=3,∠AOB=120°,则球的体积为...
已知A、B为球面上的两点,O为球心,且AB=3,∠AOB=120°,则球的体积为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214106531609497/SYS201310232141065316094001_ST/0.png)
B.
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C.36π
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214106531609497/SYS201310232141065316094001_ST/2.png)
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