解题方法
1 . 已知正方体
中,棱长为1,求
(1)异面直线AB与
所成角;
(2)直线
与平面ABCD所成角;(用反三角表示)
(3)矩形
绕直线
旋转一周所得几何体的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/3/3323cd1b-c1c4-4c91-ac89-5f031601c040.png?resizew=168)
(1)异面直线AB与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
(3)矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
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解题方法
2 . 正三棱柱
中,
,则直线
与平面
所成角的正弦值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f2185273bf04c11118c7954f7ec822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385a34e64185a1e3abd60989e0c1a69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0f0ccc8492a0ccf1eee24867060643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcfe69b939fd1c271747fe9d37ccdf9.png)
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解题方法
3 . 如图,已知四边形
是矩形,
平面
且
,
的中点
,则异面直线
与
所成角的余弦值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f04c896027b8f76412762a7a16f3acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0f73b3c63084d9c032802e01f9a168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/a6cee657-9a60-49e4-8d29-aa7ac610aa6c.png?resizew=147)
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名校
4 . 如图,设
是底面为矩形的四棱锥,
平面
.
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/90640926-e2b5-46e7-9917-9e17876e68f5.png?resizew=164)
(1)若
,求四棱锥
的体积;
(2)若直线
与平面
所成的角的大小为
,求直线
与平面
所成的角的大小.
![](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/f83a04565a8ebaa111894b724b0ba266.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/90640926-e2b5-46e7-9917-9e17876e68f5.png?resizew=164)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4125524caac016727c80d2722c5ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b675e591d474c5a777a728b4df96b603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解题方法
5 . 如图,在边长为12的正方形
中,点
在线段
上,且
,作
,分别交
于点
,作
,分别交
于点
,将该正方形沿
折叠,使得
与
重合,构成如图所示的三棱柱
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/0bcdaa4f-7413-472b-a8a3-4c5727995005.png?resizew=380)
(1)求四棱锥
的体积;
(2)求平面
与平面
所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16821c2f38629f90f9864d3cd5c4d340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460affeeace976471099f4385663c979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bbedac312c4856a459a70fc468a21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9de53d7a16c1736273c63309e77dbca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1ae4336c76f0a77d9f79e33bcca4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bbedac312c4856a459a70fc468a21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7252984027818be5f6af7b6a0d516b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebf67d880172b27fefacc3c5b808eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be10f68467285d1b2a661f8a0bd3e67b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/0bcdaa4f-7413-472b-a8a3-4c5727995005.png?resizew=380)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa31b2d885e45b6ad1c0a7cab73111b.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1685f39771b21ab0e9fc5f4abe4aa144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e81e478fe2b085a15ed001e9b33dae.png)
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解题方法
6 . 如图,在正四棱柱
中,
,
,点
、
、
、
分别在棱
、
、
、
上,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/97813da5-6fac-4821-864b-293c39ed5752.png?resizew=144)
(1)求证:
;
(2)求三棱锥
的体积;
(3)点
在棱
上,当二面角
大小为
时,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5e1093a147c521c5e8d0d5e266db54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](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/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408f8a6555acb2c4dfb30c3c13bcb3b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84933bb3e4501453ca7a5b4a2b81ca6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d48e7324870e88bbe0e211c93ee8d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/97813da5-6fac-4821-864b-293c39ed5752.png?resizew=144)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2653f933cc4b6d66e69740bfa692d1cd.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381ed0a35aa9bfc588abaeb5536dae88.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1da83bc459e069fc0d78d1aad4d37a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76dde16b05fba6fc61779511e63f34fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebeb0c6b3331994e6fced0e825d5638b.png)
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解题方法
7 . 在正方体
中,
是
中点,点
在线段
上,若直线
与平面
所成的角为
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539f8fb13345b449274b67bbda995db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-09更新
|
505次组卷
|
5卷引用:上海大学附属嘉定高级中学2024届高三上学期期中数学试题
上海大学附属嘉定高级中学2024届高三上学期期中数学试题(已下线)考点14 立体几何中的动态问题 2024届高考数学考点总动员【讲】河南省信阳市商城县上石桥高级中学2023-2024学年高二上学期12月月考数学试题(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)(已下线)第二章 立体几何中的计算 专题一 空间角 微点4 直线与平面所成角(二)【基础版】
解题方法
8 . 如图,在四棱锥
中,
底面
,底面
是正方形,
.
(1)求证:直线
平面
;
(2)求直线
与平面
所成角的大小.
![](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/0e7b6d04f024ca05cdfacc8ce9137c15.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/26/84285b71-11a0-4d6a-819e-2148e3be22f6.png?resizew=164)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
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解题方法
9 . 已知空间一个平面与一个正方体的12条棱所成的角都等于
, 则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c6c1f6d821af7e3c8058993218a861.png)
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2023-10-19更新
|
375次组卷
|
7卷引用:期中真题必刷压轴50题专练-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)
(已下线)期中真题必刷压轴50题专练-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)上海南汇中学2023-2024学年高二上学期10月月考数学试题浙江省湖州市第二中学2024届高三上学期期中数学试题(已下线)第3章 空间向量及其应用 (单元重点综合测试)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)2016-2017学年浙江温州中学高二10月月考数学试卷1994年全国高中数学联合竞赛(已下线)高二数学上学期期中模拟卷02(前三章:空间向量与立体几何、直线与圆、圆锥曲线)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第一册)
名校
解题方法
10 . 如图所示三棱锥P-ABC,底面为等边三角形ABC,O为AC边中点,且
底面ABC,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94dd33adfe9adf9641dcf93f728f2c24.png)
(1)求三棱锥P-ABC的体积;
(2)若M为BC中点,求PM与平面PAC所成角大小(结果用反三角数值表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94dd33adfe9adf9641dcf93f728f2c24.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/59923a3e-9147-4c4f-871d-3d7d765a89c9.png?resizew=150)
(1)求三棱锥P-ABC的体积;
(2)若M为BC中点,求PM与平面PAC所成角大小(结果用反三角数值表示).
您最近一年使用:0次
2023-10-14更新
|
298次组卷
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9卷引用:上海市松江区第四中学2022-2023学年高二上学期期中数学试题
上海市松江区第四中学2022-2023学年高二上学期期中数学试题2022年上海高考练习数学试题(已下线)上海市华东师范大学第二附属中学2023届高三上学期开学考试数学试题上海市行知中学2023届高三上学期10月月考数学试题(已下线)重难点01 空间角度和距离五种解题方法-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)上海市洋泾中学2024届高三上学期10月月考数学试题上海市行知中学2024届高三上学期开学考数学试题(已下线)第19讲 立体几何初步-3(已下线)专题10立体几何初步必考题型分类训练-1