解题方法
1 . 如图,正方体
的棱长为3,E,F分别为棱
上的点,且
,平面AEF与棱
交于点G,若点P为正方体内部(含边界)的点,满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31be3b7305d6c181420ea7b28c420851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91c39222a658ebdd3da3c1ea93a17b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a25f60a2bdeb279f7742e6408831eb9.png)
A.点P的轨迹为四边形AEGF及其内部 |
B.当![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() |
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解题方法
2 . 如图,在四棱锥
中,已知
平面
,且四边形
为直角梯形,
.
上是否存在一点
使得
,若存在,求出
的长,若不存在,说明理由;
(2)定义:两条异面直线之间的距离是指其中一条直线上任意一点到另一条直线距离的最小值,求异面直线
与
之间的距离.
![](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/28595940f84016fb7df90a102137285a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c863451d86ab17e082fa1ad663686ec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
(2)定义:两条异面直线之间的距离是指其中一条直线上任意一点到另一条直线距离的最小值,求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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解题方法
3 . 如图,在长方体
中,
为棱
的中点.
(1)证明:
平面
;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3345c3b1b4d26f458add4c25d8007488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/119c0eae-d0d7-448e-a293-e9a763aa8979.png?resizew=160)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f11f1840eb8b17e7b07c3fe7e987a9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028856d5101687dd8eaf130846489cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
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3卷引用:山西省吕梁市2023-2024学年高二上学期11月期中数学试题
解题方法
4 . 如图,已知四棱锥
的底面为等腰梯形,
,
,垂足为H,
是四棱锥的高 ,E为
中点
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ef99db257cc1acb08e3a5e0006d49.png)
(2)若
,求二面角
所成角的正弦值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/664c1f83-edb7-4d93-8e80-aa62b798b837.png?resizew=149)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ef99db257cc1acb08e3a5e0006d49.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c695798f9829e4c639b17e8bfb0c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065d3032de0dd38b461d820f100e2c57.png)
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解题方法
5 . 如图,四边形
,
都是边长为2的正方形,平面
平面
,
,
分别是线段
,
的中点,则( )
![](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/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/9c52ed50-8bc0-45e2-9d9a-2f36abe0d486.png?resizew=152)
A.![]() | B.异面直线![]() ![]() ![]() |
C.点![]() ![]() ![]() | D.![]() ![]() |
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2023-11-19更新
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4卷引用:山西省吕梁市2023-2024学年高二上学期11月期中数学试题
山西省吕梁市2023-2024学年高二上学期11月期中数学试题(已下线)模块三 专题2 小题进阶提升(3) 期末终极研习室(高二人教A版)河北省邯郸市五校2023-2024学年高二上学期二调考试(12月)数学试题四川省绵阳市三台县三台中学校2023-2024学年高二上学期12月教学质量检测数学试题
6 . 已知直线
的一个方向向量为
,平面
的一个法向量为
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdcac85aadec3b346184e2ae1ea86f87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01141c574bdbe438f6a443de4e5c76a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749a36b37211099584b1e475b327a2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
A.![]() | B.![]() | C.1 | D.2 |
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3卷引用:山西省吕梁市2023-2024学年高二上学期11月期中数学试题
山西省吕梁市2023-2024学年高二上学期11月期中数学试题(已下线)考点10 空间向量的应用 2024届高考数学考点总动员【练】河北省邯郸市五校2023-2024学年高二上学期二调考试(12月)数学试题
7 . 已知直线
的方向向量是
,平面
的法向量是
,
与
的位置关系为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9f90d7219ce946ed00a8cb43ff0443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf882ac921a3ac672ab4925015cea6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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解题方法
8 . 如图,在四棱锥
中,底面
是矩形,
平面
,
,
,点
,
分别为
,
的中点,且
.
的长;
(2)求直线
与平面
所成角的正弦值.
![](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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcac3b256b269b824d8738bb081f8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49437f474e5805688dff21ded2d1fd7c.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d55bc62f8afd58b044a0c24bf361d0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
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7卷引用:山西省孝义市2023-2024学年高二上学期10月月考数学试题
9 . 在棱长为2的正方体
中,点
满足
,其中
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6168a14ce666e3212158413e428f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb6bf23a5a12e1ba5413594d7b1a57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558f134032cd487914aef62fe1b7d208.png)
A.平面![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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3卷引用:山西省孝义市2023-2024学年高二上学期10月月考数学试题
山西省孝义市2023-2024学年高二上学期10月月考数学试题(已下线)第一章 点线面位置关系 专题二 空间垂直关系的判定与证明 微点6 平面与平面垂直的判定与证明综合训练【基础版】山西省晋中市灵石县第一中学校2023-2024学年高二上学期10月月考数学试题
名校
解题方法
10 . 如图,在棱长为3的正方体
中,点
是棱
上的一点,且
.
(1)若点
满足
,求证:
平面
;
(2)底面
内是否存在一点
,使得
平面
?若存在,求出线段
的长度;若不存在,请说明理由.
![](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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80440d52f529f92d6ab711b0aa93a8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/14/d29da3a7-4a71-475c-b7ff-96ba5b4fce45.png?resizew=172)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673f20358c5745fd861590857cbc6198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94270844f197d524bf1da4f1385befd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fd7d2bc169d4467ad7d70861ed6351.png)
(2)底面
![](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/38278d5bacffa7f57ae741d431b72b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d365ce9f4bacc4d4bb15dbdb5306a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
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2023-10-13更新
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5卷引用:山西省孝义市2023-2024学年高二上学期10月月考数学试题
山西省孝义市2023-2024学年高二上学期10月月考数学试题辽宁省沈阳市东北育才双语学校2023-2024学年高二上学期期中数学试题(已下线)第一章 点线面位置关系 专题二 空间垂直关系的判定与证明 微点4 直线与平面垂直的判定与证明综合训练【基础版】山西省晋中市灵石县第一中学校2023-2024学年高二上学期10月月考数学试题(已下线)1.4.1 用空间向量研究直线、平面的位置关系【第三课】