名校
1 . 正四面体
棱长为6,
,且
,以
为球心且半径为1的球面上有两点
,
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f462070bf390881ceee2519ac07604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24c686fbaaa68705d654b880481ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49a1538831e007a0e47ec5e1069bff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5128656ad9b18360970d3f50cace2a7.png)
A.24 | B.25 | C.48 | D.50 |
您最近一年使用:0次
2024-01-10更新
|
1333次组卷
|
10卷引用:广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(三)
广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(三)辽宁省五校联考2023-2024学年高二上学期1月期末数学试题江西省赣州市南康中学2024届高三上学期"七省联考"考前数学猜题卷(十)江西省宜春市宜丰县宜丰中学2023-2024学年高二上学期1月月考数学试题(已下线)专题12:巧解线段最值 坐标与几何湖南省岳阳市第一中学2023-2024学年高三下学期开学考试数学试题江西省新余市第一中学2023-2024学年高二下学期开学考试数学试卷(已下线)专题2 用空间向量解决立体几何问题安徽省六安市六安第一中学2024届高考模拟预测数学试题(四)(已下线)立体几何与空间向量-综合测试卷A卷
名校
2 . 正方形
的边长为12,其内有两点
、
,点
到边
、
的距离分别为3,2,点
到边
、
的距离也是3和2.现将正方形卷成一个圆柱,使得
和
重合(如图).则此时
、
两点间的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-04更新
|
863次组卷
|
8卷引用:上海市崇明中学2023-2024学年高二上学期期中考试数学试题
上海市崇明中学2023-2024学年高二上学期期中考试数学试题江西省上饶市婺源天佑中学2023-2024学年高二上学期期末模拟数学试题广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(一)上海市松江二中2023-2024学年高二上学期期末考试数学试题(已下线)专题2 用空间向量解决立体几何问题江西省临川第一中学2023-2024学年高二下学期第一次月考数学试卷(已下线)高二上学期期末考点大通关真题精选100题(1)(已下线)第8题 由空间距离求夹角(压轴小题)
2023·全国·模拟预测
名校
3 . 如图,直三棱柱
中,
为
的中点,
为线段
上的动点,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd23d99a40b6378a31fccfae692b3c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/1a7d4ecc-38c3-4af5-bf0d-c8313da3bf51.png?resizew=136)
A.不存在点![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() |
D.平面![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 在平行六面体
中,
,
,若
,其中
,
,
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991451c5002137302527700e195220e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb66690bc5b8123d5eafe781d3c9a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d472051d1f6bce23c22a55c517515e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900dea22ff8af341d08262f4b76c6953.png)
A.若点![]() ![]() ![]() | B.若![]() ![]() |
C.当![]() ![]() ![]() | D.当![]() ![]() ![]() |
您最近一年使用:0次
2023-11-23更新
|
507次组卷
|
4卷引用:安徽省滁州市九校2023-2024学年高二上学期期中考试数学试卷
安徽省滁州市九校2023-2024学年高二上学期期中考试数学试卷山东省菏泽市鄄城县第一中学2023-2024学年高二上学期12月月考数学试题(已下线)模块三 专题3 小题满分挑战练(1) 期末终极研习室(高二人教A版)(已下线)高二数学上学期第三次月考模拟卷(空间向量与立体几何+直线与圆的方程+圆锥曲线方程+数列)(原卷版)
名校
解题方法
5 . 已知四棱台
的下底面和上底面分别是边长为4和2的正方形,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/9155d6d8-6505-4f66-a083-82bebd06e5d4.png?resizew=188)
A.侧棱![]() ![]() ![]() ![]() |
B.若E为![]() ![]() ![]() ![]() ![]() |
C.![]() |
D.设![]() ![]() ![]() |
您最近一年使用:0次
2023-11-16更新
|
448次组卷
|
3卷引用:湖北省鄂东南省级示范高中教育教学改革联盟学校2023-2024学年高二上学期期中联考数学试题
名校
解题方法
6 . 正四面体
的棱长为1,点
是该正四面体内切球球面上的动点,当
取得最小值时,点
到
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992907998c85cf872f6e66df0b0c1030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
名校
7 . 已知正四棱柱
的底面边长为
,点
分别满足
.甲、乙、丙、丁四名同学利用《空间向量与立体几何》这一章的知识对其进行研究,各自得出一个结论:
甲:当
时,存在
,使得
;
乙:当
时,存在
,
,使得
;
丙:当
时,满足
的
的关系为
;
丁:当
时,满足
的点
围成区域的面积为
.
其中得出错误结论的同学有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4586c36ecaff9aa606b6148eb28484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8866c9f57fab68f4d3aa0cd809e31cc.png)
甲:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec6fb9e0625b85be3103d317fbb0cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff480d049f3f174b970cedd14aa4d4c.png)
乙:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f199f086ffa007bd2d64db066890ca2b.png)
丙:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4325a91861fa8269194667d6288e7e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc43c738e927f9c0038cc1bf86d019b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec6fb9e0625b85be3103d317fbb0cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae94f2dd5086f7ddbe18407a978e9b.png)
丁:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc620ca3717dda78975de0a1568587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff480d049f3f174b970cedd14aa4d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
其中得出错误结论的同学有( )
A.甲 | B.乙 | C.丙 | D.丁 |
您最近一年使用:0次
2023-11-15更新
|
368次组卷
|
3卷引用:安徽省“皖中联考”2023-2024学年高二上学期期中质检数学试题
安徽省“皖中联考”2023-2024学年高二上学期期中质检数学试题(已下线)模块五 专题5 期末全真模拟(拔高卷1)期末终极研习室(高二人教A版)山东省济南市山东实验中学2023-2024学年高二上学期期末模拟数学试题
8 . 已知三棱锥
的棱
、
、
两两垂直,
,
,
为
的中点,
在棱
上,且
平面
,则下列说法错误的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bae7599ad243c12d94325ad917f0a44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f81fa367ec317fe2a30142e1c30cce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37793a3a810e823e10c340986f55ddd.png)
A.![]() |
B.![]() ![]() ![]() |
C.三棱锥![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知点P是棱长为4的正四面体
表面上的动点,若MN是该四面体内切球的一条直径,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8eb37a4dd75318dcbd836395e575bd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 如图,正方形
和正方形
的边长都是1,且它们所在的平面所成的二面角
的大小是
,
,
分别是
,
上的动点,且
,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03edbab2be470153ed4ebe16c25430b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29819c98ebd087116d5e579f4f088fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次