名校
1 . 如图,三棱柱
的侧棱与底面垂直,
,点
是
的中点.
;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96fa89d526f7fa47b7565326cffbfd80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b4cdc3a083d1263634d510f172dab09.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc7e774e4ae40c23bf4ceed179230ca.png)
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2024-03-29更新
|
1107次组卷
|
4卷引用:重庆市巴南育才实验中学校2023-2024学年高二下学期期中质量监测数学试题
重庆市巴南育才实验中学校2023-2024学年高二下学期期中质量监测数学试题云南省沧源佤族自治县民族中学2022-2023学年高二上学期教学测评月考(二)数学试题(已下线)专题06 空间直线﹑平面的垂直(一-《知识解读·题型专练》(人教A版2019必修第二册)江苏省淮安市金湖中学,清江中学,涟水郑梁梅高级中学等2023-2024学年高二下学期4月期中数学试题
名校
2 . 如图所示,在三棱锥
中,已知
平面
,平面
平面
.
平面
;
(2)若
,
,在线段
上(不含端点),是否存在点
,使得二面角
的余弦值为
,若存在,确定点
的位置;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0cf7a89ea148e0481a56f127297bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29cc627d76412c236aac6b29fa0fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64e76a4c1e5934f51cdca2ffbc8313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2023-06-26更新
|
4006次组卷
|
16卷引用:重庆市巴南区2024届高三诊断(一)数学试题
重庆市巴南区2024届高三诊断(一)数学试题江苏省南京市江宁区2022-2023学年高二下学期期末数学试题吉林省长春市新解放学校2022-2023学年高一下学期期末数学试题广东省揭阳市普宁国贤学校2024届高三上学期开学考试数学试题(已下线)广东省深圳市深圳中学2024届高三上学期8月开学摸底数学试题(已下线)空间向量专题:利用空间向量解决4类动点探究问题-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)1.4 空间向量应用(精练)-2023-2024学年高二数学《一隅三反》系列(人教A版2019选择性必修第一册)(已下线)专题1.6 空间角的向量求法大题专项训练(30道)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)第06讲 1.4.2用空间向量研究距离、夹角问题(3)福建省宁德第一中学2024届高三第一次考试数学试题江苏省南菁高中、梁丰高中2023-2024学年高三上学期8月自主学习检测数学试题四川省宜宾市南溪第一中学校2024届高三上学期一诊考试理科数学模拟试题北京市丰台区怡海中学2023-2024学年高二上学期12月月考数学试题山东省潍坊市临朐县第一中学2023-2024学年高一上学期12月月考数学试题(已下线)第02讲:空间向量与立体几何交汇(必刷6大考题+7大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019选择性必修第一册)(已下线)模块一 专题6《 空间向量应用》 B提升卷 (苏教版)
名校
3 . 如图1,在平行四边形
中,
,
,
,以对角线
为折痕把
折起,使点
到达图2所示点
的位置,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/07743fda-aad7-4d69-93e7-72b1be14b90a.png?resizew=477)
(1)求证:
;
(2)若点
在线段
上,且二面角
的大小为
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e703b755cc4fe7ec89af69ec7c93d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f82a30d6b232dc4d8f35d2d6e0e0f42.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/07743fda-aad7-4d69-93e7-72b1be14b90a.png?resizew=477)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65334978b0519b379910dfc4acf8344.png)
(2)若点
![](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/8d682fd0344452998187cb6d48de3dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42020cfacd62b300cad053981bab9e0b.png)
您最近一年使用:0次
2022-05-26更新
|
1208次组卷
|
3卷引用:重庆市实验中学校2021-2022学年高一下学期期末复习(二)数学试题
名校
解题方法
4 . 四边形ABCD是圆柱OO1的轴截面,E为底面圆周上的一点,
,
,
.
(1)求证:
平面
;
(2)求圆柱的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f020051f12188f88c4ab785234f60bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7cbfaec1d9dcaaf159b060163436113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/e7ffb5e7-bd8c-4189-82ea-5c64a80848e1.png?resizew=142)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662698361c6b3ddaf0c28a3c87be53e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
(2)求圆柱的表面积.
您最近一年使用:0次
2022-06-29更新
|
549次组卷
|
9卷引用:重庆市实验中学2021-2022学年高一下学期期末复习(一)数学试题
重庆市实验中学2021-2022学年高一下学期期末复习(一)数学试题【市级联考】山东省潍坊市2018-2019学年高一上学期期末考试数学试题(已下线)【新教材精创】11.4.1直线与平面垂直(第1课时)练习(1)湖南省长沙卓华高级中学2020-2021学年高一下学期第三次月考数学试题上海市宝山中学2021-2022学年高二上学期10月月考数学试题(已下线)第10讲 柱、锥、台的表面积(核心考点讲与练)-2022-2023学年高二数学考试满分全攻略(沪教版2020必修第三册)湖南省株洲市炎陵县2022-2023学年高二下学期期末数学试题陕西省渭南市韩城市新蕾中学2020-2021学年高一上学期第三次月考数学试题(已下线)上海市高二上学期【第一次月考卷】(测试范围:第10章-第11章)-【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)
名校
5 . 已知底面ABCD为菱形的直四棱柱,被平面AEFG所截几何体如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/594b9562-51ce-470a-90d9-8686b0d06bec.png?resizew=232)
(1)若
,求证:
;
(2)若
,
,三棱锥GACD的体积为
,直线AF与底面ABCD所成角的正切值为
,求锐二面角
的余弦值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/594b9562-51ce-470a-90d9-8686b0d06bec.png?resizew=232)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4da6d55f36613f4c677d479358fce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a67d05f2f5e3e6fd43fb60e8c53d4f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3f4f259d60ade01bd9bf6632238e39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b98d08cb05a894f940009f56c74d83c.png)
您最近一年使用:0次
2022-06-07更新
|
1697次组卷
|
4卷引用:重庆市实验中学校2021-2022学年高二下学期期末复习数学试题
名校
解题方法
6 . 如图,在四棱锥
中,
是边长为2的等边三角形,梯形
满足
,
,
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/2022/5/19/2982704490872832/2995536316547072/STEM/67246644-e9b1-4f9b-a933-931968ec1449.png?resizew=176)
(1)求证:
平面
;
(2)若
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e921f46d90e43f4517c55832b6280f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://img.xkw.com/dksih/QBM/2022/5/19/2982704490872832/2995536316547072/STEM/67246644-e9b1-4f9b-a933-931968ec1449.png?resizew=176)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfacd208d769d01f1d4ef20313cd869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cd5c4f8b106d01e0e431078e1a468b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e77e93fb69b4c0716dde86f52e7406.png)
您最近一年使用:0次
2022-06-06更新
|
924次组卷
|
5卷引用:重庆市实验中学校2021-2022学年高一下学期期末复习(三)数学试题
重庆市实验中学校2021-2022学年高一下学期期末复习(三)数学试题江西省赣州市教育发展联盟2021-2022学年高二下学期第8次联考数学(文)试题(已下线)2022年全国高考甲卷数学(文)试题变式题9-12题辽宁省铁岭市六校协作体2021-2022学年高一下学期期末联考数学试题(已下线)2022年全国高考甲卷数学(文)试题变式题17-20题
名校
7 . 如图,在四棱锥
中,
,底面ABCD为菱形,边长为2,
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/0308f7cd-743e-43c7-a82f-89242ffe665b.png?resizew=202)
(1)求证:
平面ABCD;
(2)当异面直线PB与CD所成的角为60°时,在线段CP上是否存在点M,使得直线OM与平面PCD所成角的正弦值等于
?若存在,请求出线段CM的长,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23f01af749100e1888bba06268843db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a1f7f33f1bb52c0046a618faf769e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb96e0331eebe80ed1ff610faf531fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/0308f7cd-743e-43c7-a82f-89242ffe665b.png?resizew=202)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
(2)当异面直线PB与CD所成的角为60°时,在线段CP上是否存在点M,使得直线OM与平面PCD所成角的正弦值等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7dccccc8246e959bd022a32e8a497e.png)
您最近一年使用:0次
2021-10-21更新
|
734次组卷
|
5卷引用:重庆市清华中学校2021-2022学年高二上学期第一次月考(10月)数学试题
重庆市清华中学校2021-2022学年高二上学期第一次月考(10月)数学试题山东省青岛第五十八中学2020-2021学年高二上学期期中考试数学试题山东省青岛市青岛第五十八中学2011-2022学年高二上学期期中数学试题福建省莆田华侨中学2022-2023学年高二下学期市检期末数学模拟考试试题(已下线)第五章 破解立体几何开放探究问题 专题一 立体几何存在性问题 微点2 立体几何存在性问题的解法综合训练【培优版】
名校
解题方法
8 . 如图,在四棱锥
中,
,且
.
![](https://img.xkw.com/dksih/QBM/2021/7/31/2775882385670144/2777328454025216/STEM/031d2be053b642688c0cc7efb3d3d7c5.png?resizew=212)
(1)证明:
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
,
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d0c2a55d368a0447e0ca8c2a296c28.png)
![](https://img.xkw.com/dksih/QBM/2021/7/31/2775882385670144/2777328454025216/STEM/031d2be053b642688c0cc7efb3d3d7c5.png?resizew=212)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45d21d0c1857cedc7632458da710ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c5ace226a547e68702df548b08cb5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c54d01623f09f23103f03ba1135fc6a.png)
您最近一年使用:0次
名校
9 . 如图,四棱锥
面
面
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/cacd822b-141d-4be7-9bc6-5a1d40c0b358.png?resizew=208)
(1)证明:
及
面
;
(2)求二面角
的余弦值;
(3)线段
上一动点E,设直线
与面
所成角为
,则E在何处时,
的值最大?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a061d9c4c30ef4aed324be52ef2f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967d47ca1cbdaaf30baf00c79d8503fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66301f26e6d528ab482d753d90e9931.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/cacd822b-141d-4be7-9bc6-5a1d40c0b358.png?resizew=208)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee8e3e106015df4da241290765dc828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d294d69caac577339f11f477b2047e.png)
(3)线段
![](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/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
您最近一年使用:0次
名校
10 . 如图,在三棱台
中,
,
,
,G、H分别为AC、BC上的点,平面
平面
.
(1)求证:
平面
;
(2)若
,
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986ba572d8373df48c996f8c8611498c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee170c82e3dc624dc3016443496a469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9025d51ecc5739700eb73fc44a46a056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a5831bd2d949ed609b0f0fd68d0729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/5/37c4c7b1-2622-4a55-86b7-123f68901aef.png?resizew=158)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b6917095bea8efd3154b72d737f013.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f76925ed99b7172956319974258a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430e2c266987203c2982b09f0ae70551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccde4dea1724ba95628c87e0990865d2.png)
您最近一年使用:0次
2020-09-20更新
|
510次组卷
|
3卷引用:重庆市清华中学校2020-2021学年高二上学期11月月考数学试题