名校
1 . 如图,三棱柱
的侧棱与底面垂直,
,点
是
的中点.
;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96fa89d526f7fa47b7565326cffbfd80.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/5b4cdc3a083d1263634d510f172dab09.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc7e774e4ae40c23bf4ceed179230ca.png)
您最近一年使用:0次
2024-03-29更新
|
1190次组卷
|
4卷引用:重庆市巴南育才实验中学校2023-2024学年高二下学期期中质量监测数学试题
重庆市巴南育才实验中学校2023-2024学年高二下学期期中质量监测数学试题江苏省淮安市金湖中学,清江中学,涟水郑梁梅高级中学等2023-2024学年高二下学期4月期中数学试题云南省沧源佤族自治县民族中学2022-2023学年高二上学期教学测评月考(二)数学试题(已下线)专题06 空间直线﹑平面的垂直(一-《知识解读·题型专练》(人教A版2019必修第二册)
名校
解题方法
2 . 在正四棱柱
中,
,
,M,N分别为棱
,
上的一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
A.![]() |
B.当M,N分别为棱![]() ![]() ![]() ![]() ![]() |
C.存在点M,使得![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
名校
3 . 如图,在四棱锥
中,底面
为平行四边形,
,
,
底面
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d4f1b71eb0a8d8211757ec96d0d7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a340e906c06568ec3af87e5602435400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/9bede1ee-70f8-47b0-93a4-0de6bb0a7e4e.png?resizew=196)
A.![]() |
B.![]() ![]() ![]() |
C.异面直线![]() ![]() ![]() |
D.平面![]() ![]() ![]() |
您最近一年使用:0次
2023-10-12更新
|
706次组卷
|
3卷引用:重庆市巴南区重庆市实验中学校2024届高三上学期期中数学试题
名校
4 . 如图,
,
为圆柱
的母线,BC是底面圆O的直径,D,E分别是
,
的中点,
面
.
(1)证明:
平面ABC;
(2)若
,求平面
与平面BDC的夹角余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113c87d7b997847259f17ee8576ee44c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/1/a2c2b74b-8e19-46a2-b2ef-3501e47de256.png?resizew=105)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063510e3c1fb6a7ccc3b8e3e3c7d660e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e78a23ef615a0815e2cf7b226c418dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b94e97d085cea077cb82a0b7d2f523e.png)
您最近一年使用:0次
2023-09-30更新
|
592次组卷
|
4卷引用:重庆市巴南区重庆市实验中学校2024届高三上学期期中数学试题
名校
解题方法
5 . 如图,在四棱锥
中,
底面
,底面四边形
为菱形且
,
,
为
的中点,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/bf10c7e7-9453-4105-af00-81eb8c8f64fd.png?resizew=140)
(1)证明:直线
平面
;
(2)求异面直线
与
所成角的余弦值;
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4317430d5a2b61d9a2a88b73e7d7ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b96fac11d72f72c805dbddb8da72d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5e794cf7e21885d4151565b89716b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/bf10c7e7-9453-4105-af00-81eb8c8f64fd.png?resizew=140)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3201d3796ed9a29338aac25245a7c8e2.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3201d3796ed9a29338aac25245a7c8e2.png)
您最近一年使用:0次
2022-11-07更新
|
986次组卷
|
3卷引用:重庆市实验中学校2023届高三上学期期中数学试题
名校
6 . 已知
为棱长为1的正方体对角线
上的一点,且
(
),下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600185933824/STEM/9bab6c7456b34423819496173981ba2b.png?resizew=304)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67b067159ed156f6807d6eac10ed7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb6bf23a5a12e1ba5413594d7b1a57c.png)
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600185933824/STEM/9bab6c7456b34423819496173981ba2b.png?resizew=304)
A.![]() |
B.![]() ![]() |
C.![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2021-12-29更新
|
860次组卷
|
2卷引用:重庆市巴南中学2021-2022学年高二上学期期中数学试题
名校
解题方法
7 . 如图,四棱锥
的底面
是平行四边形,
,
,
,
,
,点
是线段
(包括端点)上的动点.
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600186138624/STEM/ef155021f86840aa85ab147139f229ba.png?resizew=197)
(1)若
(
)时,平面
平面
,求
的值;
(2)平面
和平面
的夹角为
,直线
与平面
所成角为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db27b7f29d7d01b2692f217bc3079fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df49b91d399a0b28d5ad86b84b1f42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f14fe22376f70a50752d3e146b8e1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600186138624/STEM/ef155021f86840aa85ab147139f229ba.png?resizew=197)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864aec7b9cfafb79090d533c63df5c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3ede869e508a8c8bda34a16782f863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d96357a07048ba79b8c84097d359d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425bb0d1c21eb4448dbbe9a41efa7538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425bb0d1c21eb4448dbbe9a41efa7538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425bb0d1c21eb4448dbbe9a41efa7538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2021-12-27更新
|
729次组卷
|
2卷引用:重庆市巴南中学2021-2022学年高二上学期期中数学试题
名校
解题方法
8 . 如图所示,直三棱柱
中,
,
,棱
.
、
分别是
、
的中点.
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600186081280/STEM/41358081be06476387bae8c71cdfe993.png?resizew=263)
(1)求证:
;
(2)求直线
与直线
所成夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca38004c7744a7567bef30f0674fe60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3cc9cccfb4c260dac05f4ed57e8c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.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/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a696a182fff038a86b2bbe8ca099442.png)
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600186081280/STEM/41358081be06476387bae8c71cdfe993.png?resizew=263)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9cbc57692d07ce82a436d5f76758f6.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
您最近一年使用:0次
2021-12-27更新
|
609次组卷
|
3卷引用:重庆市巴南中学2021-2022学年高二上学期期中数学试题
名校
解题方法
9 . 如图,正四棱锥
中,
为顶点在底面内的投影,
为侧棱
的中点,且
,则直线
与平面
的夹角是( )
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600185802752/STEM/df3f0134-ed9d-4707-ba1f-581154ff688b.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b0ec385280ff5b941d22e9d4eaaf91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://img.xkw.com/dksih/QBM/2021/12/24/2879411643064320/2881600185802752/STEM/df3f0134-ed9d-4707-ba1f-581154ff688b.png?resizew=181)
A.45° | B.90° | C.30° | D.60° |
您最近一年使用:0次
2021-12-27更新
|
970次组卷
|
6卷引用:重庆市巴南中学2021-2022学年高二上学期期中数学试题
重庆市巴南中学2021-2022学年高二上学期期中数学试题广西桂林市普通高中联盟2021-2022学年高二下学期期中数学(理)试题北京市第一六一中学2022-2023学年高二上学期期中数学试题 (已下线)6.3.3空间角的计算(备作业)-【上好课】2021-2022学年高二数学同步备课系列(苏教版2019选择性必修第二册)北京市第一七一中学2022-2023学年高二上学期10月月考数学试题(已下线)1.4.2 用空间向量研究距离、夹角问题【第一课】
名校
解题方法
10 . 如图,正方体ABC
A1B1C1D1中,E、F分别为棱C1D1,A1D1的中点,则异面直线DE与AF所成角的余弦值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb81d8ef8d1d8a4d76ec37fa0afe3389.png)
您最近一年使用:0次
2021-10-10更新
|
904次组卷
|
9卷引用:重庆市清华中学校2023-2024学年高一下学期5月期中检测数学试题
重庆市清华中学校2023-2024学年高一下学期5月期中检测数学试题广东省东莞市济川中学2023-2024学年高二上学期期中数学试题重庆市西北狼教育联盟2021-2022学年高二上学期开学质量检测数学试题湖南省长沙市长郡中学2021-2022学年高二上学期第一次月考数学试题吉林省长春吉大附中实验学校2022-2023学年高二上学期期末数学试题湖南省湘潭市两校2022-2023学年高二上学期期末线上联考数学试题陕西省西安市蓝田县2022-2023学年高二上学期期末理科数学试题第三章 空间向量与立体几何单元检测A卷 (基础篇)(已下线)第一章 空间向量与立体几何单元测试(基础版)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)