名校
解题方法
1 . 已知
为直线
上的动点,
为圆
上的动点,点
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056e249d0c33ef92b956f84937fa9324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecfe932bf546c53654f7ec2cc80019c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37df9dad3961893b22d6639c4311e267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23eeeea0e6927d093d1e7f3ce2a5e79.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 下列物体中,能够整体放入半径为1(单位:
)的球体容器(容器壁厚度忽略不计)内的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5022abc6afd4deff13845419fa38312e.png)
A.底面边长为![]() ![]() |
B.底面棱长为![]() ![]() |
C.底面直径为![]() ![]() |
D.棱长均为![]() |
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3 . 圆
与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8fb69ddc915f0a4b2692d81e9364f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8117864cd030ac6ff7edbb13deee3743.png)
A.相交 | B.外切 | C.内切 | D.相离 |
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解题方法
4 . 已知四面体ABCD的各顶点均在球
的球面上,平面
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11612cc1f5dd280e429a931fdbbbd09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1521f9ee2e0d2852a774327a9141f73.png)
,则球
的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11612cc1f5dd280e429a931fdbbbd09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1521f9ee2e0d2852a774327a9141f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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