已知三棱锥
中,
平面
,
,
,
是
的中点,则三棱锥
的体积最大时,三棱锥
外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-07-16 00:14:41
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在平面
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