解题方法
1 . 如图,已知四棱锥
的底面
是直角梯形,
,
,
,
平面
,
,下列说法正确的是( )
![](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/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af260e0d98c95d1e092dc4c6d348e3ea.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/81981fd7b343f4fe2db8f36eb66c1ce7.png)
A.![]() ![]() ![]() |
B.平面![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-12-08更新
|
526次组卷
|
5卷引用:上海市奉贤区东华大学附属奉贤致远中学2024届高三上学期期中数学试题
上海市奉贤区东华大学附属奉贤致远中学2024届高三上学期期中数学试题(已下线)专题08 空间向量与立体几何(15区新题速递)(已下线)专题01 空间向量与立体几何(4)(已下线)专题04 异面直线所成的角(期末选择题4)-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)第七章 应用空间向量解立体几何问题拓展 专题二 平面法向量求法及其应用 微点3 平面法向量求法及其应用综合训练【基础版】
2 . 如图,平面
平面
,四边形
是正方形,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/674a48df-9e66-4dcf-a148-4640f6e57973.png?resizew=190)
(1)证明:
平面
;
(2)求二面角
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc1cb55a57dde481f8dd07ab150676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc1cb55a57dde481f8dd07ab150676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af66ac8a1d5fcc968161439deb9c3045.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/674a48df-9e66-4dcf-a148-4640f6e57973.png?resizew=190)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20af148464904e21f4374cc8fb886fba.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115b32a22c3bfa823fe164d956bb1503.png)
您最近一年使用:0次
名校
3 . 如图,在直三棱柱
中,D点为棱AB的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/baa2bc47-f5a8-406a-9620-37c417657f1e.png?resizew=167)
(1)求证:
平面
;
(2)若直棱柱的所有棱长均相等,求二面角
的平面角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/baa2bc47-f5a8-406a-9620-37c417657f1e.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89006cac018a9875f65ed7bd429c61bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc7e774e4ae40c23bf4ceed179230ca.png)
(2)若直棱柱的所有棱长均相等,求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55089af69fcfa82c2a34df1b4e1cabf0.png)
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解题方法
4 . 正四棱锥
的侧面
是等边三角形,
为
的中点,则异面直线
和
所成角的余弦值 为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
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5 . 如图,三棱锥
中,
,
,
,E为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/73000cff-6b06-4c1f-9297-0cc7d5fdc277.png?resizew=186)
(1)证明:
;
(2)点F满足
,求平面
和平面
所成的锐二面角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3d6fb3406ff7fabf9c3b5c7541c67d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9c7cbcc38b28d45c8539710e5b260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d495d6bb2cf4e141d2055a9f7072018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/73000cff-6b06-4c1f-9297-0cc7d5fdc277.png?resizew=186)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0de882caea347e2bd6fcd426caa13b8.png)
(2)点F满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028a14cd09c33f7e6d9fdc184b5fe64b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ddc76d96d6951ebfef3fe63892a1114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437bc0b5b7815c77b4956f194fc6ef52.png)
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解题方法
6 . 如图所示,在正方体
中,E为线段
上的动点,则下列直线中与直线CE夹角为定值的直线为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/e9624614-ef43-4edd-8de1-fd9afb2ff006.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/e9624614-ef43-4edd-8de1-fd9afb2ff006.png?resizew=167)
A.直线![]() | B.直线![]() |
C.直线![]() | D.直线![]() |
您最近一年使用:0次
解题方法
7 . 如图,在三棱锥
中,
是以
为斜边的等腰直角三角形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1012ef33b40b478489204cda41025c.png)
为
中点,
平面
为
内的动点(含边界).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/79354bc6-66da-4e9e-b3b9-f408f9a40033.png?resizew=159)
(1)求平面
与平面
夹角的正弦值;
(2)若
平面
,求直线
与平面
所成角的正弦值的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1012ef33b40b478489204cda41025c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda3ac680bfea5781ae87dc6db5c5d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d742e749b1140b21512408d555f14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/79354bc6-66da-4e9e-b3b9-f408f9a40033.png?resizew=159)
(1)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc4326d832adea0655b05083e6af7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2023-11-26更新
|
447次组卷
|
2卷引用:上海市实验学校东滩高级中学2023-2024学年高二上学期期中考试数学试题
名校
解题方法
8 . 如图,在正四面体
中,
,则异面直线
与
所成角的余弦值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbbf3b75355eb93e12ae29f9c1a1cbe7.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/2023/11/24/3374745995075584/3376323089375232/STEM/480ff62688604402bc07662ba23e9400.png?resizew=287)
您最近一年使用:0次
2023-11-26更新
|
725次组卷
|
4卷引用:上海市实验学校东滩高级中学2023-2024学年高二上学期期中考试数学试题
上海市实验学校东滩高级中学2023-2024学年高二上学期期中考试数学试题辽宁省沈阳市东北育才学校2023-2024学年高二上学期第二次月考数学试题(已下线)3.4.3 求角的大小(九大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)专题02 求空间角及空间向量的应用(三大类型)
名校
解题方法
9 . 如图,在长方体
中,
,
,
,点
是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/21ee604f-f3e5-4d21-b70f-b625baac4633.png?resizew=170)
(1)求异面直线
与
所成角的大小;
(2)求点
到平面
的距离.
![](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/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/21ee604f-f3e5-4d21-b70f-b625baac4633.png?resizew=170)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ecd8e274cebd92bd814ef7158b50fb.png)
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10 . 如图,正直三棱柱
中,
,
,
是
的中点,
是
的中点.
与直线
的位置关系并证明;
(2)求直线
与平面
所成的角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46720eabe78e309e02c24678632b586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
您最近一年使用:0次