1 . 在棱长为
正方体
中,点
是线段
上的动点,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](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/e539f26ed5e0b20ff7220559324869a4.png)
A.无论点![]() ![]() ![]() ![]() |
B.无论点![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() |
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2 . 下列四个命题中,正确命题的有( )
A.若一向量![]() ![]() ![]() ![]() ![]() ![]() |
B.若向量![]() ![]() ![]() ![]() ![]() ![]() |
C.已知直线![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若两个不同平面![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2022-01-26更新
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2卷引用:湖北省新高考联考协作体2021-2022学年高二上学期期末数学试题
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3 . 长方体
中,
,已知点
与
三点共线且
,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/249cc5bc301953858b1179284cfd4594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c3246cc6148083e6f8f38d1aa2b318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1da3a9d486379a67f7fe498d7a7740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2022-01-25更新
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2卷引用:湖北省部分省级示范高中2021-2022学年高二上学期期末联考数学试题
名校
解题方法
4 . 如图,在四棱锥
中,
底面ABCD,
,
,点E为PA的中点,
,
,
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/63c3ea15-ff5f-4fc2-ba22-f065a221f88e.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02bd5cfe804460846423e77f72db10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4564baf209de77802d46cda82995c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8da8430ae9b811b82527eb944cea18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f2f944a54293a3f448934d72085baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a4d7bce3f94d2166cd332a63b58463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf3746205daae4787d8e31d74ba79e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37d3fb7407af74cbd242f606eadd710.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/63c3ea15-ff5f-4fc2-ba22-f065a221f88e.png?resizew=150)
A.![]() |
B.异面直线BE与CD所成角的余弦值为![]() |
C.点B到平面PCD的距离为![]() |
D.BC与平面PCD所成的角为![]() |
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2022-01-14更新
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8卷引用:湖北省黄冈市黄梅国际育才高级中学2022-2023学年高二上学期期中数学试题
5 . 在正三棱柱
中,若
,点
是
的中点,则点
到平面
的距离是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/ba343cdd-e4f9-4757-baa5-a5a7f2e7c9f5.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f41d364b55d88688cd1f571ed231228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4294ffdba16ae69fd03b13959d682aba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/ba343cdd-e4f9-4757-baa5-a5a7f2e7c9f5.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 如图所示,在四棱锥
中,底面
为直角梯形,
,
,
,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/11/21/2856039655751680/2913628560326656/STEM/22a83f4d-7183-4c51-a717-400e621b33eb.png?resizew=202)
(1)求点
到平面
的距离;
(2)求二面角
的大小.
![](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/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58bafdd3bb54ba3491b49ab60b172f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ab46164b23af7a4c4907f176e392ec.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/86943f7ede0949e61e78ccdc8e83177f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://img.xkw.com/dksih/QBM/2021/11/21/2856039655751680/2913628560326656/STEM/22a83f4d-7183-4c51-a717-400e621b33eb.png?resizew=202)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1069d514c3c32aeabd274475ee209ed6.png)
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2022-02-10更新
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2卷引用:武汉市四校联合体2021-2022学年高二上学期期中联考数学试题
名校
解题方法
7 . 如图,已知三棱柱
的侧棱与底面垂直,
,
,
,
和
分别是
,
和
的中点.
![](https://img.xkw.com/dksih/QBM/2022/1/5/2854889307906048/2892869548941312/STEM/59507366-4c40-4ce7-9103-f37914a9eac0.png?resizew=188)
(1)证明:
平面
.
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bdbf17f7bb0e70a339b4a1971d5c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/2022/1/5/2854889307906048/2892869548941312/STEM/59507366-4c40-4ce7-9103-f37914a9eac0.png?resizew=188)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc027de6ca8c118ed6ccd52eae99a821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52173c8cc44246823c2bee21a783b731.png)
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2022-01-12更新
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2卷引用:湖北省部分重点学校2021-2022学年高二上学期期中联考数学试题
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8 . 鳖臑是指四个面都是直角三角形的三棱锥.如图,在鳖臑
中,
平面
,
,
,
分别是棱
,
的中点,点
是线段
的中点,则点
到直线
的距离是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/94c7659e-fbd6-4f11-9af1-1656ebde6455.png?resizew=139)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/205a87cf1d5a8a943a272fe3409f2970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/94c7659e-fbd6-4f11-9af1-1656ebde6455.png?resizew=139)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-01-12更新
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744次组卷
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6卷引用:湖北省部分重点学校2021-2022学年高二上学期期中联考数学试题
湖北省部分重点学校2021-2022学年高二上学期期中联考数学试题湖北省荆州市松滋市第一中学2021-2022学年高二上学期期中数学试题湖北省武汉市华中科技大学附属中学2022-2023学年高二上学期期中模拟数学试题云南省大理市2021-2022学年高二上学期期中联考数学试题(已下线)第03讲 空间向量的应用-【帮课堂】2021-2022学年高二数学同步精品讲义(苏教版2019选择性必修第二册)山西省大同市2022-2023学年高二上学期期中数学试题
解题方法
9 . 正方体
中,E,F,G分别为
,
,
的中点,则( )
![](https://img.xkw.com/dksih/QBM/2022/1/5/2866582564741120/2892429140598784/STEM/0072a2b5-619c-46fb-9fce-14862b222b0a.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/2022/1/5/2866582564741120/2892429140598784/STEM/0072a2b5-619c-46fb-9fce-14862b222b0a.png?resizew=169)
A.直线![]() ![]() |
B.直线![]() ![]() |
C.直线![]() ![]() ![]() |
D.点C和点G到平面![]() |
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2022-01-11更新
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4卷引用:湖北省部分省级示范高中2021-2022学年高二上学期期中数学试题
湖北省部分省级示范高中2021-2022学年高二上学期期中数学试题湖北省荆州市部分重点高中2022-2023学年高二上学期期中联考数学试题福建省福州市四校联盟(永泰城关中学、连江文笔中学、长乐高级中学、元洪中学)2023届高三上学期期中联考数学试题(已下线)1.2.5 空间中的距离(分层训练)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第一册)
名校
解题方法
10 . 如图,在棱长为2的正方体
中,E,F分别是
,
的中点.
![](https://img.xkw.com/dksih/QBM/2022/1/5/2847429027332096/2892419725180928/STEM/5f7e9ffa-7453-4667-8bd7-c723c2979427.png?resizew=174)
(1)求点
到平面
的距离;
(2)若G是棱
上一点,当
平面
时,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://img.xkw.com/dksih/QBM/2022/1/5/2847429027332096/2892419725180928/STEM/5f7e9ffa-7453-4667-8bd7-c723c2979427.png?resizew=174)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
(2)若G是棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f100f1e48d34169f4f90aad15d02e67c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
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2022-01-11更新
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9卷引用:湖北省鄂东南三校联考2021-2022学年高二上学期阶段考试(一)数学试题
湖北省鄂东南三校联考2021-2022学年高二上学期阶段考试(一)数学试题湖北省武汉市第十九中学2023-2024学年高二上学期10月月考数学试题广西贺州市昭平县昭平中学2021-2022学年高二上学期第一次月考数学(理)试题重庆市万州清泉中学2022-2023学年高二上学期9月月考数学试题广东省珠海市第二中学2022-2023学年高二上学期10月月考数学试题福建省漳州市第三中学2022-2023学年高二下学期期中数学试题陕西省部分学校(神木中学等学校)2023-2024学年高二上学期10月月考数学试题广东省广州市真光中学2023-2024学年高二上学期9月阶段性质量检测数学试题(已下线)模块一 专题2 A 空间向量的应用基础卷 期末终极研习室高二人教A版