名校
1 . 已知直三棱柱
的所有顶点都在球O的球面上,
,则球的表面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfdc01569cb22d3b455854a63486c94.png)
您最近一年使用:0次
2022-11-18更新
|
787次组卷
|
4卷引用:湖南省郴州市嘉禾县第六中学2022-2023学年高二上学期第三次月考数学试题
名校
解题方法
2 . 如图,已知
的外接圆为圆
,
为直径,
垂直圆
所在的平面,且
,过点
作平面
,分别交
于点
,则三棱锥
的外接球的体积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7b6d04f024ca05cdfacc8ce9137c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e052fa774304de59f3b6cd4b27600a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589c3cc1f331dbb2248b0829039df7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82e1b9949d05ef17c0cd24eb9ff9e92.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/25e59663-151c-484f-a43a-9c965479baea.png?resizew=233)
您最近一年使用:0次
2022-10-29更新
|
486次组卷
|
3卷引用:湖南省郴州市2022-2023学年高三上学期第一次教学质量监测数学试题