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表面积为的球面上有三点A、B、C,∠ACB=60°,AB=,则球心到截面ABC的...

表面积为6ec8aac122bd4f6e的球面上有三点ABC,∠ACB=60°,AB6ec8aac122bd4f6e,则球心到截面ABC的距离及BC两点间球面距离最大值分别为                                                 (  )

       A.3,6ec8aac122bd4f6e    B.6ec8aac122bd4f6e6ec8aac122bd4f6e  C.6ec8aac122bd4f6e6ec8aac122bd4f6e     D.3,6ec8aac122bd4f6e

 

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