已知表面积为54的正方体
的顶点都在球O上,过球心O的平面截正方体所得的截面过正方体相对两棱
,
的中点F,E,设该截面与
及
的交点分别为M,N,点P是正方体表面上一点,则以截面EMFN为底面,以点P为顶点的四棱锥的体积的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/11/9e55af98-bef4-4cfd-b3fa-83fd6215ffc1.png?resizew=202)
22-23高三·宁夏吴忠·阶段练习 查看更多[3]
更新时间:2023-04-10 10:49:40
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