解题方法
1 . 在长方体
中,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d64fc81c857b124268609a8beb77b6.png)
A.直线![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
解题方法
2 . 在四棱锥
中,
平面
,四边形
为直角梯形,
,
,
,
,点
在
上,且
.
(1)求异面直线
与
夹角的余弦值;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.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/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c656a1d0532dd79ef1e61c807b7f6d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9090a6f25e8ff514fe7b2ae1b14d3e17.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/f4213d11-263d-4cfe-a5ff-5b92cdfcd0f9.png?resizew=130)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
您最近一年使用:0次
解题方法
3 . 如图,
是边长为4的正方形,
平面
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/0f4ffa94-cd65-4404-8b0f-ebaac56bcefa.png?resizew=155)
(1)证明:
平面
;
(2)线段
上是否存在一点
,使得点
到平面
的距离为
?若存在,求线段
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8139d9fd5c670c91aa7dc485366dd1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba02c4ed0787d5032dcf194304a1ab0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/0f4ffa94-cd65-4404-8b0f-ebaac56bcefa.png?resizew=155)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8ccd4181f956f6e0140bf0ab8f0716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678b28fddb166d90878d24d6e5481080.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/87c0bfeadcf17b2a45896071f07a4a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e748de03fae345643615176b133bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
您最近一年使用:0次
解题方法
4 . 已知点
,
,
,则原点
到平面
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7af92947478d9ce335edb95b58ff2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c63d58f2a8b881b1f5599a2aaedf445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbcd10e88c93e5f36d1b07a9e5cf55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
2024-02-14更新
|
252次组卷
|
2卷引用:江西省上进联盟2023-2024学年高二上学期1月期末联考数学试题
解题方法
5 . 已知直线
过点
和点
,则点
到直线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a04a289e8602f3a26ee199e64dd6c8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5a2fdc94a86ebc0913d7ed12953f1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286cd3d028262af1b3f5db3d12942e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.3 | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 在棱长为1的正方体
中,
,
,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/2ebbfca17af59bccab3cb1b70993c8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d90bdb3ed0b86e2d207ef6a665c2b7.png)
A.![]() ![]() |
B.直线![]() ![]() ![]() |
C.平面![]() ![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 如图①,在四面体
中,
是棱
上靠近点
的三等分点,
、
分别是
、
的中点.设
,
,
,
(1)用
,
,
表示
;
(2)若
,且
,
,
,以
为原点,
、
、
方向分别为
轴、
轴、
轴正方向建立空间直角坐标系如图②,过点
做平面
,使平面
的一个法向量为
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14390e9b6b44472bdc7a131133ab39b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cd14dfc0024459f9d8e594c95c5106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07dcf0b16163e0e0e0c0f248466ee7e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/9bf2b77c-97cd-4873-a417-3561da42bcab.png?resizew=325)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d18e5adcfecb851b17655c1b92e578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b52dfb276d32f394717345df18f3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d6adb1944e97f196b672e54498d416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d37a17216b4d0da01ccb319840ee28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a024d854ec90da8b06f91562c9f9769e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2024-01-11更新
|
328次组卷
|
4卷引用:江西省上饶市沙溪中学2023-2024学年高二上学期期末数学试题
名校
解题方法
8 . 如图,已知正方体
的棱长为2,点P是线段
的中点,点Q是线段
上的动点(不含端点),则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/589ea16d-01db-4050-88b5-7ff1225adb2b.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/589ea16d-01db-4050-88b5-7ff1225adb2b.png?resizew=152)
A.![]() ![]() |
B.Q到平面![]() ![]() |
C.![]() ![]() ![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
2024-01-06更新
|
1010次组卷
|
4卷引用:江西师范大学附属中学2023-2024学年高二上学期期末数学试卷
江西师范大学附属中学2023-2024学年高二上学期期末数学试卷福建省泉州市实验中学2023-2024学年高二上学期1月考试数学试题江苏省镇江市句容高级中学2024届高三上学期12月学情调研数学试题(已下线)重难点6-1 空间角与空间距离的求解(8题型+满分技巧+限时检测)
名校
解题方法
9 . 如图,正方体
的棱长为1,
、
分别为
与
的中点,则点
到平面
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b287d3268c40e01c23f753cc182c4ea2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/95d5c5cd-b954-42c5-a65f-4b3717d98179.png?resizew=174)
您最近一年使用:0次
2023-12-27更新
|
466次组卷
|
5卷引用:江西省上饶市私立新知学校2023-2024学年高二上学期期末数学试题
名校
解题方法
10 . 在三棱锥
中,
两两垂直,且
,三角形
重心为
,则点
到直线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bb1063e139610045f3bca5ca0b2766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb3216a6f9c5a5dfc1b283fbc458eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-27更新
|
1117次组卷
|
8卷引用:江西省景德镇市乐平中学2023-2024学年高二上学期期末数学试题
江西省景德镇市乐平中学2023-2024学年高二上学期期末数学试题福建省莆田市仙游第一中学等五校联考2022-2023学年高二上学期期末数学试题(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)四川省成都市玉林中学2023-2024学年高二上学期期末模拟数学试题(二)重庆市第一中学校2023-2024学年高二上学期期末模拟数学试题山东省泰安市新泰市第一中学东校2023-2024学年高二上学期冬季学科竞赛数学试题(已下线)专题13 空间向量的应用10种常见考法归类(4)云南省红河州开远市第一中学校2023-2024学年高二下学期3月月考数学试题