名校
1 . 如图,三角形
与梯形
所在的平面互相垂直,
,
,
,
,
,
、
分别为
、
的中点.
平面
;
(2)求平面
与平面
所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2194add18a7df1a23cf1554dc2da1b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b1472e121da0ae5550329cfda5f0a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a755edadca4e4fc27fd49559b8d691ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e21e0818c5bf80f558cbf05a0d06e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9df1d200d2f3fb13e584a28e245fee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a0d238b6e9b49bbea22a79402e8e4f.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62871bb0dff211fc3bd80f9066c25b29.png)
您最近一年使用:0次
2023-04-13更新
|
925次组卷
|
5卷引用:上海市桃浦中学2023-2024学年高三下学期3月月考数学试卷
上海市桃浦中学2023-2024学年高三下学期3月月考数学试卷上海市浦东新区2023届高三二模数学试题(已下线)专题07 空间向量与立体几何上海市宜川中学2022-2023学年高二下学期期末数学试题(已下线)期末测试卷02(测试范围:第1-8章+集合+不等式+函数)-备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)
22-23高二下·上海浦东新·阶段练习
名校
解题方法
2 . 如图,三棱柱
的底面是边长为2的正三角形,侧棱
垂直于底面ABC,
,D是CB延长线上一点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/ba990b48-df50-4bbf-a1d8-6ad4ef5e2501.png?resizew=198)
(1)证明:直线
平面
;
(2)求二面角
的大小;
(3)直线
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/295640e886a3a29c5159a93fa287ee68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78002bca853929365a3f58082f3e7637.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/ba990b48-df50-4bbf-a1d8-6ad4ef5e2501.png?resizew=198)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb689000fa7a3b425be3196d8b0f32af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5888bec948373f3854258ad80171073d.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c34f1c900792fb9fadded8982d6d042.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5888bec948373f3854258ad80171073d.png)
您最近一年使用:0次
名校
3 . 如图,在正三棱柱
中,
,
分别为
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/d35717d7-88cb-4dfd-a964-4d6986d9d191.png?resizew=153)
(1)证明:
平面
;
(2)求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16cfb38323095090b0fe5eee70b24210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/d35717d7-88cb-4dfd-a964-4d6986d9d191.png?resizew=153)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec47f6d6cb1eeefbb466e4fe71fd568c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
您最近一年使用:0次
2023-02-21更新
|
861次组卷
|
4卷引用:上海师范大学附属中学2024届高三上学期9月月考数学试题
名校
解题方法
4 . 已知在四棱锥
中,底面
为正方形,侧棱
平面
,点
为
中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/dcd733da-9655-4880-b4fb-2a7b29edd2d2.png?resizew=177)
(1)求证:直线
平面
;
(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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbe8961cca9440ea334ee049d109146.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/dcd733da-9655-4880-b4fb-2a7b29edd2d2.png?resizew=177)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa69a2247ad4d5231aa361349b12f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb304d905125170bebfada27e7ed8960.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb304d905125170bebfada27e7ed8960.png)
您最近一年使用:0次
2023-02-21更新
|
1008次组卷
|
6卷引用:上海市复旦大学附属中学2023届高三下学期3月月考数学试题
名校
5 . 如图,在四棱锥
中,底面
是矩形,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/c82d7471-da04-480f-95db-e407c0d67d6d.png?resizew=164)
(1)若点
,
分别为
,
的中点,求证:直线
平面
;
(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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f30be4069b0a5a105bb85e884165569.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/c82d7471-da04-480f-95db-e407c0d67d6d.png?resizew=164)
(1)若点
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf19a7f0dd0cdf59516ae585025110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
2023-11-21更新
|
615次组卷
|
2卷引用:上海市浦东新区建平中学2024届高三上学期11月质量检测数学试题
名校
6 . 如图,在四棱锥
中,
面
,
,
,点
分别为
的中点,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/71654a21-d300-4c81-a8f2-9f2d03018911.png?resizew=176)
(1)证明:直线
平面
;
(2)求二面角
的余弦值.
![](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/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4762d59261265112fef9ac74d5bb9a36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3ca1c27bdc0102bf2c6b306ddd1d95.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/71654a21-d300-4c81-a8f2-9f2d03018911.png?resizew=176)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc6bc85b019e9d158ca1d92feed796e.png)
您最近一年使用:0次
2023-01-15更新
|
1365次组卷
|
11卷引用:上海市华东师范大学第二附属中学2023届高三下学期2月月考数学试题
(已下线)上海市华东师范大学第二附属中学2023届高三下学期2月月考数学试题上海市嘉定区第一中学2024届高三上学期10月月考数学试题(已下线)上海市华东师范大学第二附属中学2023届高三最后一模数学试题上海市同济大学第二附属中学2024届高三上学期期中数学试题陕西省兴平市南郊高级中学2023-2024学年高二上学期第三次质量检测数学试题四川省达州市2022-2023学年高二上学期期末监测数学(理科)试题(已下线)第8章 立体几何初步 重难点归纳总结-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)专题2 求二面角的夹角(1)(已下线)8.6.3 平面与平面垂直(1)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(人教A版2019必修第二册)(已下线)专题8.16 空间角大题专项训练(30道)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)海南省琼海市海桂中学2023-2024学年高二上学期期中考试数学试题(B卷)
解题方法
7 . 如图,在四棱锥V-ABCD中,底面ABCD是矩形,侧棱
底面ABCD,E、F、G分别为VA、VB、BC的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/16/319696e9-38b5-4287-850a-d7bed049f305.png?resizew=182)
(1)求证:平面
平面VCD;
(2)当二面角V-BC-A、V-DC-A分别为45°、30°时,求直线VB与平面EFG所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c439e4e4e48b17e19e666d892216fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/16/319696e9-38b5-4287-850a-d7bed049f305.png?resizew=182)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de26c3f532386379ef028cd4e59d12a1.png)
(2)当二面角V-BC-A、V-DC-A分别为45°、30°时,求直线VB与平面EFG所成的角.
您最近一年使用:0次
2023-01-12更新
|
255次组卷
|
2卷引用:上海市第十中学2022-2023学年高二上学期12月月考数学试题
8 . 如图,在三棱柱
中,
,
,
,D为AB的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/33773552-8977-480d-a1e7-c83ec1dd6471.png?resizew=161)
(1)求证:
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82343ddf8316e0a9a50c21c422bdc930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32f651907d6c9001655481f79ebda84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d5520be2c7ed4f4c8d1ca8270cb8a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/33773552-8977-480d-a1e7-c83ec1dd6471.png?resizew=161)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb689000fa7a3b425be3196d8b0f32af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd209cc3f91b254f5ed934e89271e0e.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d6c98b5ed325bea4a4897a60cb1c12.png)
您最近一年使用:0次
名校
解题方法
9 . 如图,在四棱锥
中,底面ABCD为正方形,平面
平面ABCD,
,
,
是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/7cdd5fd4-d300-4819-8de4-ffeed1642fa5.png?resizew=163)
(1)求证:
平面ACQ;
(2)求直线PB到平面ACQ的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db27b7f29d7d01b2692f217bc3079fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/7cdd5fd4-d300-4819-8de4-ffeed1642fa5.png?resizew=163)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf2bc3dd1f1ae5d5e28b0366f454ec1.png)
(2)求直线PB到平面ACQ的距离.
您最近一年使用:0次
名校
解题方法
10 . 如图,在四棱锥
中,底面
为平行四边形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
平面
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/235226e4-5388-4c9b-bb30-9a28d68e43b6.png?resizew=192)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
平面
;
(2)若
,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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfaefb10f82b89802bb420b3c41de1bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/235226e4-5388-4c9b-bb30-9a28d68e43b6.png?resizew=192)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af29254fe60a392c249c5791279e9c8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06ee08ec4bc31ecf0aa9dbc2d2172fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f06a8da60c3bccd7f150d9ab4e13e09.png)
您最近一年使用:0次