已知四棱锥
的底面为矩形,
,
,侧面
为正三角形且垂直于底面
,M为四棱锥
内切球表面上一点,则点M到直线
距离的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·湖北·模拟预测 查看更多[3]
湖北省高中名校联盟2024届高三第三次联考综合测评数学试卷(已下线)第5套 最新模拟重组精华卷5---模块一 各地期末考试精选汇编福建省厦门外国语学校2023-2024学年高一下学期第二次月考数学试卷
更新时间:2024-02-17 22:05:47
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【推荐1】过球
表面上一点
引三条长度相等的弦
、
、
,且
、
、
两两夹角都为
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【推荐2】如图所示,在棱锥
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,
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【推荐1】已知等腰直角
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【推荐2】设球
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【推荐1】如图,已知正方体
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【推荐2】在棱长为1的正方体
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【推荐2】校足球社团为学校足球比赛设计了一个奖杯,如图,奖杯的设计思路是将侧棱长为6的正三棱锥
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【推荐3】如图,在矩形
中,
,
,
,
分别在线段
,
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的位置,且平面
平面
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的外接球的表面积为( )
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