名校
1 . 如图,已知等腰梯形
中,
,
,
是
的中点,
,将
沿着
翻折成
,使
平面
.
平面
;
(2)求
与平面
所成的角;
(3)在线段
上是否存在点
,使得
平面
,若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef699f5dc072b853cfe700c6f1abbbae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aef94242f79b15efbff959092a7621a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320a8131d673c99f41180ecf137168e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e4ad880948a6da16951cd124b9653b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f8fda3ac618836ce5ad3cd80616bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542fe1413bd449356daef489ecf0c6cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da30dfe292fe4271fdb1150a0c45963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28fa14d4841ca3f2fe226688c25c8160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622f3fcf7ec50de07c8a538f77a235b5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c87bac85c8fbe3ed2dce5edf910104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa62df7dff41d7897d3cf3a94e0b5be.png)
(3)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675c6e2941eecb64b358527da4d4999c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f66702d72329bdfd455f4fe3e724cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d7150b2eef9696dd470f03ca922986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f832ee46a606926e5d214387027b84.png)
您最近一年使用:0次
2024-06-17更新
|
2557次组卷
|
6卷引用:广州市南武中学2023-2024学年高一下学期综合训练(二)段考考试数学试题
广州市南武中学2023-2024学年高一下学期综合训练(二)段考考试数学试题(已下线)【北京专用】高一下学期期末模拟测试B卷(已下线)【江苏专用】高一下学期期末模拟测试B卷湖北省黄冈市浠水县第一中学2023-2024学年高一下学期期末质量检测数学试题广东省东莞市海逸外国语学校2023-2024学年高一下学期第三次质量检测数学试题(已下线)高一期末模拟试卷01-《期末真题分类汇编》(北师大版(2019))
名校
解题方法
2 . 已知四棱锥
,底面
为正方形,边长为3,
平面
.
平面
;
(2)若
,求直线
与平面
所成的角大小.
![](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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d41989d897ddb0fe7aa59f3beaabf9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f0a3f78d51f10acd0e87c124c96a15.png)
![](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
2024-01-19更新
|
1187次组卷
|
4卷引用:上海市闵行(文琦)中学2023-2024学年高二上学期期末考试数学试题
上海市闵行(文琦)中学2023-2024学年高二上学期期末考试数学试题(已下线)专题19 直线与平面的位置关系-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)6.5.1 直线与平面垂直-同步精品课堂(北师大版2019必修第二册)江苏省宿迁市泗阳县两校联考2023-2024学年高一下学期第二次学情调研(5月月考)数学试题
解题方法
3 . 如图,已知
垂直于梯形
所在的平面,矩形
的对角线交于点
为
的中点,
.
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
平面
;
(2)在线段
上是否存在一点
,使得
与平面
所成角的大小为
?若存在,求出
的长;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc6fd59aca9984b6e13354749339823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4db9b82b67efe45a02fca32bfcf5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d10d2e0d8b2152bfc2877c7cfd5169.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/17/5dc2b64e-d36a-45d0-a05a-fc61566854b1.png?resizew=172)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffee8b7eff437080a0936d837ceabe95.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef796b46e68fe77b117ff0483d2370c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
您最近一年使用:0次
解题方法
4 . 如图,在空间直角坐标系中有长方体![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981564296ef340e41c91033abad4aa55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/843ea638-c873-4b67-8b0b-5bca0089b004.png?resizew=154)
(1)求
与面
所成角的正弦值
(2)求点B到直线
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981564296ef340e41c91033abad4aa55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/843ea638-c873-4b67-8b0b-5bca0089b004.png?resizew=154)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcfe69b939fd1c271747fe9d37ccdf9.png)
(2)求点B到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
您最近一年使用:0次
名校
解题方法
5 . 在长方体
中,
,
,点M、N分别在线段
,
上,且
,
.
(1)求直线
与平面
所成角的正弦值;
(2)若直线
与平面
相交于点P,求线段DP的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.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/f5282dc0f3e18f35495d775e83694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcf08c283a57c03de8db6d64b1e2218.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/28/2a0a26ad-6fd5-4d69-a820-ecf01cce90bb.png?resizew=114)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a7bcc1efb8a2ff57d64b6d057da463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae80f09dae8acbe1e5e27bd5c4d8164.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a7bcc1efb8a2ff57d64b6d057da463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae80f09dae8acbe1e5e27bd5c4d8164.png)
您最近一年使用:0次
2023-09-24更新
|
492次组卷
|
2卷引用:吉林省东北师范大学附属中学2023-2024学年高二上学期第一次月考数学试题
6 . 如图,正方体
,
(1)写出正方体中与平面
平行的棱和与平面
垂直的平面(不需证明);
(2)求
和平面
所成的角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/10/0a07d623-f269-43dd-a649-379864ed1ae4.png?resizew=151)
(1)写出正方体中与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679748eab882a6be0fefd2cc300349a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679748eab882a6be0fefd2cc300349a4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679748eab882a6be0fefd2cc300349a4.png)
您最近一年使用:0次
解题方法
7 . 如图,已知长方体
的对角线
与侧棱
所成的角为45°,且
,求
与侧面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
您最近一年使用:0次
2022-09-14更新
|
355次组卷
|
4卷引用:沪教版(2020) 必修第三册 经典导学 第10章 10.3 第4课时 直线与平面所成的角
沪教版(2020) 必修第三册 经典导学 第10章 10.3 第4课时 直线与平面所成的角沪教版(2020) 必修第三册 高效课堂 第十章 10.3直线与平面位置关系(3)(已下线)8.6.2 空间角与空间距离(精练)-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)微专题15 轻松搞定线面角问题
名校
8 . 如图,在三棱柱
中,点
在平面
上的射影为
的中点
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/255d6a1f-eeab-4b2f-ae25-1fa224296882.png?resizew=175)
(1)求证:
平面
;
(2)若
,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/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bd8c13192ca45c16dad5d59b547220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cb1df353c6907fec5823964eef36c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095d52314413eb48ceeeb7ac063c5b91.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/255d6a1f-eeab-4b2f-ae25-1fa224296882.png?resizew=175)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4890e58791814622b87c4d60ea971f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e46b4c7585238f53d85f5a96d35d95af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
您最近一年使用:0次
2022-07-18更新
|
1177次组卷
|
5卷引用:山东省聊城市2021-2022学年高一下学期期末数学试题
山东省聊城市2021-2022学年高一下学期期末数学试题四川省内江市第六中学2022-2023学年高一(创新班)下学期入学考试数学试题(已下线)8.6.2直线与平面垂直的判定定理(第1课时)(精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)模块四 专题2 期末重组综合练(山东)江西省萍乡市安源中学2022-2023学年高二下学期期中考试数学试题
名校
9 . 如图,直三棱柱
中,
是边长为
的正三角形,
为
的中点.
![](https://img.xkw.com/dksih/QBM/2022/7/6/3016722249293824/3017456663756800/STEM/3a614c5d3a794139bd5167c0674181c9.png?resizew=208)
(1)证明:
平面
;
(2)若直线
与平面
所成的角的正切值为
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2022/7/6/3016722249293824/3017456663756800/STEM/3a614c5d3a794139bd5167c0674181c9.png?resizew=208)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeebdf3d00c146a1b4d220909d7573c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83303d3784492506fc44f2b4d6b07bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539f8fb13345b449274b67bbda995db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea848cd2aa3a464618020475097949fc.png)
您最近一年使用:0次
2022-07-07更新
|
2950次组卷
|
13卷引用:湖南省郴州市2021-2022学年高二下学期期末数学试题
湖南省郴州市2021-2022学年高二下学期期末数学试题云南省楚雄实验中学2023届高三上学期12月月考数学试题河北省保定市唐县第一中学2022-2023学年高二上学期期中考试数学试题(已下线)第一章 空间向量与立体几何(基础、典型、新文化、压轴)分类专项训练-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)河南省濮阳市2023-2024学年高二上学期9月大联考数学试题山东省枣庄市第八中学2023-2024学年高二上学期10月月考数学试题重庆市万州沙河中学2023-2024学年高二上学期10月月考数学试题陕西省西安市长安区2023-2024学年高二上学期10月月考数学试题山东省济南第一中学2023-2024学年高二上学期10月月考数学试题贵州省思南民族中学2023-2024学年高二上学期数学期中模拟试题(B)贵州省都匀兴华中学2023-2024学年高二上学期阶段测试(一)数学试题河南省信阳市第二高级中学2023-2024学年高二上学期第二次阶段测试数学试题山西省吕梁市柳林县鑫飞中学2023-2024学年高三上学期学情调研质量检测数学模拟试卷
10 . 四棱锥
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810ee7bc82b6f452afb3fc18691abc3b.png)
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15416b74b2ecbcfa38cf34a9ffff730.png)
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/bf16293a-de1d-481a-9541-f98f7b17c7aa.png?resizew=176)
(1)求证:平面
平面
;
(2)求
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810ee7bc82b6f452afb3fc18691abc3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5956b8670a9bf9d3e3aea0eae1f18dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15416b74b2ecbcfa38cf34a9ffff730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee7bab1e2ac76f00a75a3ad08ef3606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/bf16293a-de1d-481a-9541-f98f7b17c7aa.png?resizew=176)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a46fbde58e12b1edc038ae9e921722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fc7991ea17d54ff5f4445ac5699463.png)
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