已知三棱锥
中,底面BCD是边长为
的正三角形,
底面BCD,且
,则该几何体的外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
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20-21高二下·云南文山·期末 查看更多[7]
云南省文山州2020-2021学年高二下学期期末考试数学(理)试题云南省文山州2020-2021学年高二下学期期末考试数学(文)试题(已下线)2022年全国新高考II卷数学试题变式题20-22题(已下线)7.5 外接球(精练)(已下线)2022年全国新高考II卷数学试题变式题5-8题四川省凉山州宁南中学2022-2023学年高二上学期第一次月考数学(理科)试题(已下线)重难点08 玩转外接球、内切球、棱切球经典问题-【帮课堂】(苏教版2019必修第二册)
更新时间:2022-06-10 20:31:01
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【推荐1】已知四面体
的外接球的球心O 在AB 上,且
平面ABC,
,若四面体
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【推荐2】已知三棱锥
中,
,
,
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的外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
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【推荐1】将长宽分别为
和
的长方形
沿对角线
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外接球的表面积为
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解题方法
【推荐2】如图,底面为矩形的四棱锥,侧棱
底面
,
,
.设该四棱锥的外接球半径为
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的值( )
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