名校
解题方法
1 . 如图,
是矩形
所在平面外一点,且
平面
.已知
.
(1)求二面角
的大小;
(2)求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/58a9658abe4bff2f1326c5aadb1fa428.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/884f97a4-ea94-4775-a058-eb1f0d256620.png?resizew=143)
(1)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715cc9ea5e7d80930284ffb117142770.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
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2 . 如图,二面角
的棱
上有
,
两点,直线
,
分别在这个二面角的两个半平面内
,且都垂直于
.已知
,
,
,
,则该二面角的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/7444f58b-c70b-4cc8-b18e-6a3a8f714ab9.png?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71e6ea7333dbc78d0a7b9bc3892f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc75b0de577ae69af3d7bce59339b719.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/7444f58b-c70b-4cc8-b18e-6a3a8f714ab9.png?resizew=164)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-22更新
|
627次组卷
|
5卷引用:广东省东莞市东莞外国语学校2023-2024学年高二上学期10月月考数学试题
广东省东莞市东莞外国语学校2023-2024学年高二上学期10月月考数学试题(已下线)专题03 空间向量数量积的应用(期末选择题3)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)(已下线)第三篇 努力 “争取”考点 专题6 空间角与距离【练】(已下线)第14讲 8.6.3平面与平面垂直(第1课时 )-【帮课堂】(人教A版2019必修第二册)(已下线)第二章 立体几何中的计算 专题一 空间角 微点7 二面角大小的计算(二)【基础版】
名校
解题方法
3 . 已知圆锥的顶点为P,底面圆心为O,AB为底面圆的直径,
,点C在底面圆周上,且二面角
为
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d32c32fc7c2ad9d97b2d4b881a5537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47eca9e8032232b63368bd724f9749db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
A.该圆锥体积为![]() | B.该圆锥的侧面积为![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
4 . 如图所示,在正四棱锥
中,若
的面积与正四棱锥的侧面面积之和的比为
,则侧面与底面所成的二面角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771a3e2364c6afac9b69761068d5999e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 如图,已知二面角
的平面角大小为
,四边形
,
均是边长为4的正方形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03f6948f0430aaa2d055aefe5b49165.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432b602bbaf82a4a40091ecfc8a8ffb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369eb8ad56da7dc1cdb7c43762be4bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd1e2c273d6413383af978b52b1cd64f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03f6948f0430aaa2d055aefe5b49165.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/ea584f79-cb84-44d7-95e3-1008772b9d7e.png?resizew=182)
您最近一年使用:0次
2023-10-13更新
|
180次组卷
|
8卷引用:贵州省遵义市2023-2024学年高二上学期10月月考数学试题
解题方法
6 . 如图,已知
是圆的直径,且
垂直于圆所在的平面,且
,M是圆周上一点,且
,求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661b902ff4fd9becd910f14f7a4d50ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c3a4f72b84ebadd28b90711435adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0944a83ebbe5ff6f3d0f808dc51336bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2e8d4093704e39fb71b25e1ee5652f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/18/668d5215-0d9b-4f36-a922-0b52030c055e.png?resizew=183)
您最近一年使用:0次
解题方法
7 . 已知正三棱锥
的所有棱长都为1,求其侧面与底面所成角的余弦.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
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解题方法
8 . 如图所示三棱锥
中,面
面
,
,且
,求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78307cd417504554a4e2276fe24d1162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44475f4733342d59e5be584cb938e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fe637f1537666932491637f9b3d3ee.png)
您最近一年使用:0次
解题方法
9 . 如图所示,已知二面角
的棱上有A,B两个点,
,若
,求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f58e4a05e69d402402ee04c090a845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9800be2a57c29763ee2679f3b19f4478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
您最近一年使用:0次