在正三棱锥
中,点D在棱
上,且满足
,
,若
,则三棱锥
外接球的表面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
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22-23高一下·河南商丘·期末 查看更多[3]
河南省商丘市名校2022-2023学年高一下学期7月期末联考数学试题河南省平顶山市汝州市第二高级中学2022-2023学年高一下学期期末考试数学试题(已下线)重难点突破01 玩转外接球、内切球、棱切球(二十三大题型)-2
更新时间:2023-07-18 14:10:10
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【推荐1】球面几何是几何学的一个重要分支,在航海、航空、卫星定位等方面都有广泛的应用.如图,A,B,C是球面上不在同一大圆(大圆是过球心的平面与球面的交线)上的三点,经过这三点中任意两点的大圆的劣弧分别为
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