1 . 如图,在棱长为
的正方体
中,
是
的中点,点
是侧面
上的动点,且
截面
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](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/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3123da0313d458c833e82aaa234b9117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
A.直线![]() ![]() |
B.点![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
解题方法
2 . 如图,三棱柱
的所有棱长都是
平面
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/342c09f5-4ce8-48d5-982b-d54d996262a5.png?resizew=172)
(1)求证:平面
平面
;
(2)在线段
(含端点)上是否存在点
,使点
到平面
的距离为
?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdbbb4d0281a75bb9870ce232b56956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ab05980824d7403b26cc3d3aa5436f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d06f8edd1a1f18ca2dae700c6a29ab4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/342c09f5-4ce8-48d5-982b-d54d996262a5.png?resizew=172)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036a0d3b3c70d41060bc441ddd8003fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1859959fdb4c5edd8056893f94a10a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
您最近一年使用:0次
解题方法
3 . 给出以下命题,其中正确的是( )
A.直线![]() ![]() ![]() ![]() ![]() ![]() |
B.直线![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.平面![]() ![]() ![]() |
D.已知直线![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
4 . 已知直线
过点
,且方向向量为
,则点
到
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6dcd362a44588747e88b206e7c5ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af25baf636a194a6c344b560f49bf97c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65786ea906e515b82ba57712291d8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 如图,在四棱锥
中,底面
是矩形,
底面
,
,
,若
分别为棱
上的点,
为
的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/8a9eb309-2026-4223-8489-c5648781630e.png?resizew=153)
(1)求直线
与平面
所成的角的正弦值;
(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/411b38a18046fea8e9fab1f9f9b80a5f.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/8c2753753faf2cb9a0003aa8e3945159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb46aaae98bce8e66848e09c2c1cdbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c901fcd9da661973de5cab7611dc8c77.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/8a9eb309-2026-4223-8489-c5648781630e.png?resizew=153)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68a7bf0da4f7c6f739d2e2461ad9b7.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68a7bf0da4f7c6f739d2e2461ad9b7.png)
您最近一年使用:0次
解题方法
6 . 在如图所示的五面体
中,平面
是边长为2的正方形,
平面
,
,且
,
为
的中点,
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/dfc6bef3-9490-4794-8155-ebac56679b12.png?resizew=157)
(1)求证:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e89556992cbfd7043330ac7421d342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f0a3bee8c6f293df9b3b2a11818f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a37e22010bb6d7014272c0d6d355c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/dfc6bef3-9490-4794-8155-ebac56679b12.png?resizew=157)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52445bb5e07d81dea60bcf1dc31267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8be7470f11eed5536f3baf65e3a125d.png)
您最近一年使用:0次
2023-02-14更新
|
505次组卷
|
5卷引用:云南省楚雄天人中学2022-2023学年高二上学期9月学习效果监测数学试题
云南省楚雄天人中学2022-2023学年高二上学期9月学习效果监测数学试题【名校面对面】2022-2023学年高二大联考(12月)数学试题 (已下线)1.4.2 用空间向量研究距离、夹角问题 精讲(5大题型)-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)广东省广州天省实验学校2023-2024学年高二上学期期中数学试题(已下线)专题4 大题分类练(空间向量与立体几何)基础夯实练 高二期末
解题方法
7 . 如图,在长方体
中,E是
的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/3287982f-ec24-4fca-8234-820b88d5dedb.png?resizew=233)
(1)求点
到平面ACE的距离;
(2)求二面角
的余弦值.
![](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/5f7ad41c55fab640a159a08a12c6b03c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/3287982f-ec24-4fca-8234-820b88d5dedb.png?resizew=233)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a17158a669a634e3db538ce76471950.png)
您最近一年使用:0次
名校
解题方法
8 . 如图,圆柱轴截面ABCD是正方形,
,点E在底面圆周上,
,F为垂足.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/8ad59a7c-ab64-42fe-bda1-371e4f15d096.png?resizew=129)
(1)求证:
;
(2)当直线DE与平面ABE所成角的正切值为
时,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876bb8ce0ca53475fa091ffd18bdc94a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/8ad59a7c-ab64-42fe-bda1-371e4f15d096.png?resizew=129)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e3d90003d6940c8e9e90916172ba97.png)
(2)当直线DE与平面ABE所成角的正切值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c2bd5eaf71f8866c0979fa299df50d.png)
您最近一年使用:0次
2022-11-15更新
|
321次组卷
|
3卷引用:云南省大理市下关第一中学教育集团2022~2023学年高二上学期段考(二)数学试题(A卷)
解题方法
9 . 若空间中有三点
,则
到直线
的距离为___________ ;点
到平面
的距离为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9043d780ad08b437b263db8c436c6bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10cf8d3369477b047830fca8e572ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2022-11-10更新
|
362次组卷
|
4卷引用:云南省名校联盟2022-2023学年高二上学期期中考试数学试题
解题方法
10 . 已知直线
过定点
,且方向向量为
,则点
到
的距离为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954c166dfe0137a7d5d5bcb5f4315d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f4dd6d8f4977069137174ff5fe6621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8cb21eda404fd528295ceb80e086995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-11-04更新
|
214次组卷
|
3卷引用:云南省腾冲市2022-2023学年高二上学期期中教育教学质量监测数学试题