名校
1 . 如图所示,已知平面
平面
,
,垂足为
,
,垂足为
,直线
,
,则直线
与直线
的位置关系是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670684ed4962fcebce7b5a140510d066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f17a8dbdeec924d5cb55954f2c7655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136a4f5f056a5e1337ce0813eac94585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c8aeb26a93a074d6e95bc8de66b001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e5acb08c1dd5f53d8ad43d53acb199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b40cd0b4df57efc852aed0d6100642d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/1e38b4c3-0cc2-473c-93bb-59d6e47756a3.png?resizew=174)
您最近一年使用:0次
2019-06-08更新
|
394次组卷
|
4卷引用:人教A版 全能练习 必修2 第二章 第三节 2.3.3 直线与平面垂直的性质
人教A版 全能练习 必修2 第二章 第三节 2.3.3 直线与平面垂直的性质新疆维吾尔自治区乌鲁木齐市第四中学2018-2019学年高一下学期期末数学试题(已下线)狂刷36 直线、平面垂直的判定与性质-学易试题君之小题狂刷2020年高考数学(理)(已下线)8.6.1直线与直线垂直+8.6.2直线与平面垂直——课堂例题
名校
2 . 已知直线
,平面
,且
,下列条件中能推出
的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d701d16d9f318ee8fa779f5b961d64c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d553efed052e7e0777728ef622a5c39.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2019-06-08更新
|
988次组卷
|
6卷引用:人教A版 全能练习 必修2 第二章 第三节 2.3.3 直线与平面垂直的性质
人教A版 全能练习 必修2 第二章 第三节 2.3.3 直线与平面垂直的性质吉林省实验中学2018-2019学年高一下学期期末考试数学(理)试题新疆喀什巴楚县第一中学2019-2020学年高一下学期期末考试数学试题(已下线)专题8.5 空间直线、平面的垂直(A卷基础篇)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材人教A版,浙江专用)(已下线)2.3.1 直线与平面垂直的判定-2020-2021学年高一数学课时同步练(人教A版必修2)4.3.2 直线与平面垂直
名校
3 . 设
,
,
是三条不同的直线,
,
是两个不重合的平面,给定下列命题:
①
;②
;③
;
④
;⑤
;⑥
.
其中为真命题的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ab3c10d2e123c104bf36a7759701c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee14ecf7b45151bf3bf81ef51cc407b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e157ab4ff8a0d272683c6d0a6126a7.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441d358615ab93f147893e45208068d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4329b81978d4a43ef8438ded8d3fb53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f9b0ea56298f4b5ac21dc7d0c8e892.png)
其中为真命题的个数为
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2019-05-30更新
|
1855次组卷
|
6卷引用:天津市和平区耀华中学2018-2019学年高一下学期期中考试数学试题
4 . 如图,菱形
中,
,
,
是
的中点,以
为折痕,将
折起,使点
到达点
的位置,且平面
平面
,
(1)求证:
;
(2)若
为
的中点,求四面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e0b64d25ddd18454f88e40c45d7d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4201d3bead2e48cc80052b1418f23db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83205840a1fc4ec2a63f9c4570ff0e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9e5a462c0ca3b9e2c603750a3b433b.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e16dea2b0100417fe326b05dbcadf6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6785dd28a1f6b0a0f10add1195734983.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/4d123637-5e62-437e-b8ff-6b06f266e453.png?resizew=409)
您最近一年使用:0次
2019-05-28更新
|
1042次组卷
|
5卷引用:【市级联考】福建省龙岩市(漳州市)2019届高三5月月考数学(文科)试题
【市级联考】福建省龙岩市(漳州市)2019届高三5月月考数学(文科)试题【校级联考】福建省龙岩市2019年5月高中毕业班教学质量检查(漳州三模)数学(文科)试题2019届福建省龙岩市高三下学期教学质量检查数学(文)试题(已下线)专题01 平行、垂直问题的证明(第三篇)-备战2020年高考数学大题精做之解答题题型全覆盖(已下线)专题19 立体几何综合-2020年高考数学母题题源全揭秘(浙江专版)
5 . 如图,在四边形
中,
是
的中点,
为正三角形,
,
,
.将
沿直线
折起,使
到达
处,
到达
处,此时平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/b640ec0e-fd8b-4f00-8d50-f27509d10e94.png?resizew=247)
(1)求证:
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cab2ec21e39829f468c96c4c5b49f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7a1a06b9df3661ec1400e86819535a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6790a6927c746dd1373770912dc954ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d06d1fc0fcc39c7e39754a97db79178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3bd7fcc7124307e9c33f98c53f2edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e2a44d05b1d387150c4b359e021ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19fc9f894312e55c87a0d6737080e233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d06d1fc0fcc39c7e39754a97db79178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d7ffb7889a31b267a85f1ea238138e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7a1a06b9df3661ec1400e86819535a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/b640ec0e-fd8b-4f00-8d50-f27509d10e94.png?resizew=247)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b59bfa454f1729db06a42362086230f.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500df0e782bb081e608f4bc1d576afcf.png)
您最近一年使用:0次
6 . 如图,一个正四棱锥
和一个正三棱锥
,所有棱长都相等,
为棱
的中点,将
、
、
分别对应重合为
,得到组合体.关于该组合体有如下三个结论:①
;②
;③
,其中错误的个数是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/a0277ce7-e9c9-4555-9f2a-57c7e12b0d1d.png?resizew=306)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0bc4a741d7c03360ff886bbb073658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c54557ccd107a4a719d65821c6b8da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d468be20b4d43f5de75416de20e8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b5fd4c7068b6cf3d80e1af875328b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe3ccdda3cb184f2918228319424ac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a545b613edad45100586ce0fedfbaa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c778411f3a2ddfeec684d76dcfd7fa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/a0277ce7-e9c9-4555-9f2a-57c7e12b0d1d.png?resizew=306)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
12-13高三上·河北保定·期末
名校
解题方法
7 . 如图,在正三棱柱
中,
是
的中点,
是线段
上的动点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/5ba9f6a1-cd82-417e-9c4e-c99b879a70dc.png?resizew=123)
(1)若
,求证:
;
(2)求二面角
的余弦值;
(3)若直线
与平面
所成角的大小为
,求
的最大值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede6a60cad0e0b58e1549fda6e085719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958217185cddb12466c9760248a4ca01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094e639c2b31dc54b1b3e6456e77843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc65c549059934e69355d8ecc245da57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7895c919da3819abea641a35524afcdf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/5ba9f6a1-cd82-417e-9c4e-c99b879a70dc.png?resizew=123)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8da022b26812ea653c7ed00cb1fb448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c17067fa0e18231e358545529dbee69.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f566da2725ef9999fccac9e27fb4ea.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ecff583dd5f216b28e0df718943ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4891e5861897266806a8c113be5e8ab9.png)
您最近一年使用:0次
18-19高二下·上海·期中
名校
8 . 已知直线
及平面
,下列命题中:
①
;②
;③
;④
.
所有正确命题的序号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae455e98b1504510d335d2d3fa750eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93e74286fb669d945e4a506a51a2cfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1002f45f6a74b22ae99437f9e76baed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ed3911a6114565b9ce3093df042f6f.png)
所有正确命题的序号为
您最近一年使用:0次
解题方法
9 . 如图,单位正方体
的对角面
上存在一动点
,过点
作垂直于平面
的直线,与正方体表面相交于
两点.则
的面积最大值为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/d4dc80b0-269f-4fdf-8bef-7abd98fbd46c.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4cd2b33bd983a9ed6575b9de04a46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4cd2b33bd983a9ed6575b9de04a46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/d4dc80b0-269f-4fdf-8bef-7abd98fbd46c.png?resizew=172)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知
是不同的三条直线,
是平面,则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ead7f004a93707d658819c75a89dfa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
您最近一年使用:0次