1 . 设
是以定点
为球心半径为
的球面,
是一个固定平面,
到
的距离为
.设
是以点
为球心的球面,它与
外切并与
相切.令A为满足上述条件的球心
构成的集合.设平面
与
平行且在
上有A中的点.设
是平面
与
之间的距离.则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f562eb3c2a45d65cba066d712825a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2d70c47444cb333ff8d68e36a52181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2d70c47444cb333ff8d68e36a52181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b2d4d75dec1ac907231fa1ce4e459a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32c36fe601a5d0c26e1bdb0f8f66366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f562eb3c2a45d65cba066d712825a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2d70c47444cb333ff8d68e36a52181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2d70c47444cb333ff8d68e36a52181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e10e5b0927b534415bc6e23fd0841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2d70c47444cb333ff8d68e36a52181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e10e5b0927b534415bc6e23fd0841.png)
您最近一年使用:0次
2024-02-23更新
|
610次组卷
|
4卷引用:安徽省六校教育研究会2023-2024学年高三下学期下学期第二次素养测试(2月)数学试题
安徽省六校教育研究会2023-2024学年高三下学期下学期第二次素养测试(2月)数学试题(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河南省南阳市西峡县第一高级中学2023-2024学年高二下学期第一次调研测试数学试卷(已下线)第3题 空间距离最值问题(压轴小题)
名校
解题方法
2 . 在正三棱锥
中,
、
分别是
、
的中点,
.若
,则三棱锥
的外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db111a217e7d3313f77a68be312d552b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f73a0ca4e6c794242489066fddb6c5.png)
您最近一年使用:0次
名校
解题方法
3 . 《九章算术》中将底面为直角三角形且侧棱垂直于底面的三棱柱称为堑堵.在堑堵
中,若
,点
是直线
上的动点,则
到直线
的最短距离是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b209ba5f8c9b0f282e1ae67a84a376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/5/eb281c7f-a13c-47d8-9e33-3174e93431be.png?resizew=151)
您最近一年使用:0次
2023-10-17更新
|
300次组卷
|
3卷引用:北京市顺义牛栏山第一中学2023-2024学年高二上学期10月月考数学试题
北京市顺义牛栏山第一中学2023-2024学年高二上学期10月月考数学试题北京市顺义区第二中学2023-2024学年高二上学期期中考试数学试题(已下线)第3章 空间向量及其应用(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)
名校
4 . 三棱锥
的四个顶点在空间直角坐标系中的坐标分别为
,
,
,
,则该三棱锥的外接球球心的坐标表示是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/968b3f41b9a2f481de4b9d95547c5423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b01af54049b27ca6e8159518b7b18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ccb085ad0285ba92d727279b10f98e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8bb2a267bd5fd30513a259168c50f9.png)
您最近一年使用:0次
名校
解题方法
5 . 如图,在棱长为1的正方体中,P,Q分别是线段
,
上的点(不含端点),R是直线AD上的点,满足
平面
,
,则
的最小值为
您最近一年使用:0次
解题方法
6 . 已知矩形
,
,过
作平面
,使得平面
,点
在
内,且
与
所成的角为
,则点
的轨迹为______ ,
长度的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84499931abecd42f1de666fabb9789c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41902f9de0821124bd01d7c9eb53b42b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
您最近一年使用:0次
7 . 棱长为2的正方体
中,
是棱
的中点,
是侧面
内的动点,且满足直线
平面
,当直线
与平面
所成角最大时,三棱锥
外接球的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96c673a2381f118ea2d3efc0bca1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2e72bc4f73790da7c76e46767b4fd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912d03b664bbf5896427da55c5d4e0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a604466a9c8d10d557b3dfc43b547065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96c673a2381f118ea2d3efc0bca1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fdc41036afa324c4382f9045838cd01.png)
您最近一年使用:0次
名校
8 . 空间中到正方体
棱
,
,
距离相等的点有___________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
您最近一年使用:0次
2022高三·全国·专题练习
解题方法
9 . 已知正方体
的棱长为
,点
为侧面
内的动点,且
,则点
所形成的轨迹图形长度为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22411ea0fe53a13dddde5c460f8cb67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f35b3fcb8c06368e2775ffc416158ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次