如图,在直三棱柱
中,
,
分别为线段
,
的中点,
,
,平面
平面
,则四面体ABMN的外接球的表面积为______ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
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2024·全国·模拟预测 查看更多[3]
更新时间:2024-01-06 20:27:17
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【推荐2】已知矩形ABCD的两边长分别为
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