名校
解题方法
1 . 在斜三棱柱
中,底面是边长为4的正三角形,
,
.
平面
;
(2)证明:
;
(3)求直线
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/2c3a693e8339e34c6f15f72a1aae75e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26208e5d58cc5abf1af936480d1932b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f647de53756993a680347e8ce3c0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eacc0e7474802ce634de6f55a3287115.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
您最近一年使用:0次
2022-07-02更新
|
617次组卷
|
3卷引用:【江苏专用】专题12立体几何与空间向量(第三部分)-高一下学期名校期末好题汇编
名校
2 . 如图,在正三棱柱
中,
分别为
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/68c20bf2-0209-4201-b186-c060d2015bbb.png?resizew=244)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
平面
.
(2)求直线
与平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f2185273bf04c11118c7954f7ec822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602e5c7566b69aee8a7ddd18f825bf8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cfad1ba71a78d8f415335cde2f8c52.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/68c20bf2-0209-4201-b186-c060d2015bbb.png?resizew=244)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcfe69b939fd1c271747fe9d37ccdf9.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f4d9c3f1e496cc3fa3401ffaedd7e6.png)
您最近一年使用:0次
2022-06-29更新
|
699次组卷
|
4卷引用:第八章 立体几何初步单元测试(基础卷)
名校
3 . 如图,在四棱锥
中,底面
是菱形.
是
的中点,证明:
平面
;
(2)若
,
,且平面
平面
,求直线
与平面
所成角的正切值.
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30067b7b236d17af8a462f96a58d11bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/931bbffda5e872703c9947eccc47ede2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eee296a7d9fba487f1485c61580196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2022-06-28更新
|
586次组卷
|
3卷引用:【江苏专用】专题12立体几何与空间向量(第三部分)-高一下学期名校期末好题汇编
4 . 如图,在四棱锥
中,底面ABCD为矩形,
,点E为线段PC的中点,且
.
;
(2)求直线PB与平面ADE所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316685631676ce839da7ced55501b2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4999d4fbcbe15f78c29d518f25d317c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2951b9f77413d5f062acb300b09de1f6.png)
(2)求直线PB与平面ADE所成角的正弦值.
您最近一年使用:0次
2022-06-25更新
|
749次组卷
|
2卷引用:【江苏专用】专题09立体几何与空间向量(第一部分)-高二下学期名校期末好题汇编
5 . 如图,直角边长为
的等腰直角三角形
及其内部绕
边旋转一周,形成一个圆锥.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/25/4172f43c-76e0-4024-b27d-3088a7e84ba0.png?resizew=195)
(1)求该圆锥的侧面积
;
(2)三角形
绕
逆时针旋转
到
,
为线段
中点,求
与平面
所成角的大小.(结果用反三角函数值表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/25/4172f43c-76e0-4024-b27d-3088a7e84ba0.png?resizew=195)
(1)求该圆锥的侧面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef671ff46a372d5351b8c2f9eb26b48.png)
您最近一年使用:0次
2022-06-23更新
|
418次组卷
|
6卷引用:第20讲 空间向量与立体几何-3
(已下线)第20讲 空间向量与立体几何-3(已下线)专题11空间向量与立体几何必考题型分类训练-2(已下线)2023年上海高考数学模拟卷01(已下线)第3章 空间向量及其应用(基础、常考、易错、压轴)分类专项训练(原卷版)上海市黄浦区2022届高考二模数学试题第11章 简单几何体(B卷·能力提升练)-【单元测试】2022-2023学年高二数学分层训练AB卷(沪教版2020必修第三册)
名校
6 . 如图所示,在平行四边形ABCD中,A=45°,
,E为AB的中点,将△ADE沿直线DE翻折成△PDE,使平面PDE⊥平面BCD,F为线段PC的中点.
平面PDE;
(2)已知M为线段DE的中点,求直线MF与平面PDE所成的角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5f2391d09eba3db2299f29d2ec2674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d32e76582bf550593fdef53e081225.png)
(2)已知M为线段DE的中点,求直线MF与平面PDE所成的角的正切值.
您最近一年使用:0次
2022-06-23更新
|
1301次组卷
|
6卷引用:模块四 专题1 期末重组综合练(河南)
(已下线)模块四 专题1 期末重组综合练(河南)(已下线)模块四 专题3 期末重组综合练(河南)(人教B)河南省焦作市2021-2022学年高一下学期期末数学试题江苏省常州高级中学2022-2023学年高一下学期期末数学试题江苏省南通市海安高级中学2023-2024学年高一下学期第二次月考数学试题江苏省南通市海安高级中学2023-2024学年高一下学期第二次月考数学试题
7 . 已知圆锥的顶点为
,底面圆心为
,母线
的长为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/24/e75be07e-ee9c-4019-8910-38c28c7d419e.png?resizew=228)
(1)若圆锥的侧面积为
,求圆锥的体积
(2)
是底面圆周上的两个点,
,
为线段
的中点,若圆锥的底面半径为2,求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/24/e75be07e-ee9c-4019-8910-38c28c7d419e.png?resizew=228)
(1)若圆锥的侧面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511950f018a3e8b9a21ef8246007c0d5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fddbb7f29e8672f34941fe70b0a1e45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fa483ce5e3575ff399722caba7b943.png)
您最近一年使用:0次
解题方法
8 . 在矩形
中,
,
,点
为线段
上的中点,沿
将
翻折,使得
,点
在线段
上且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/19/15806d1c-89e7-4093-902c-bb5cb86c4cb8.png?resizew=204)
(1)证明:平面
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101da161ae17652ccbe7d3f888762c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69509ad4786945359ce950ad284d0c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d669df6c391aa83150df5ae96c39d8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/19/15806d1c-89e7-4093-902c-bb5cb86c4cb8.png?resizew=204)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e462c38951671d0dbbea78246da9f580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
名校
9 . 如图,四棱锥
中,底面
为平行四边形,
,
,
分别是棱
,
,
的中点.
![](https://img.xkw.com/dksih/QBM/2022/5/9/2975773885079552/2977278949031936/STEM/b99776874ca1449e85a2e3ef7243723a.png?resizew=204)
(1)证明:
平面
;
(2)若
,
,求
与平面
所成角的大小.
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/2022/5/9/2975773885079552/2977278949031936/STEM/b99776874ca1449e85a2e3ef7243723a.png?resizew=204)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2597b5554284e275367c25529c6750f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cccb623839e5e6efb31056b83401763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32061e4f6ae667ddd700299a681d4240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
您最近一年使用:0次
2022-05-11更新
|
687次组卷
|
4卷引用:专题14立体几何(解答题)
名校
10 . 如图,
垂直于⊙
所在的平面,
为⊙
的直径,
,
,
,
,点
为线段
上一动点.
(1)证明:平面AEF⊥平面PBC;
(2)当点F与C点重合,求 PB与平面AEF所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc17568125c6449fb22759bac6d95c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfbaf73297240eb116f22489519895a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/14/553b2bdb-f97b-47d8-af20-3e986aaf131a.png?resizew=160)
(1)证明:平面AEF⊥平面PBC;
(2)当点F与C点重合,求 PB与平面AEF所成角的正弦值.
您最近一年使用:0次
2022-09-15更新
|
1826次组卷
|
10卷引用:第04讲 空间直线、平面的垂直 (高频考点—精讲)-2
(已下线)第04讲 空间直线、平面的垂直 (高频考点—精讲)-2(已下线)微专题15 轻松搞定线面角问题(已下线)高一下学期期末数学考试模拟卷03-期中期末考点大串讲(已下线)期末专题09 立体几何大题综合-【备战期末必刷真题】(已下线)期末专题05 立体几何大题综合-【备战期末必刷真题】广东省广州市白云区、海珠区2020-2021学年高一下学期期末数学试题(已下线)8.6 空间直线、平面的垂直(精练)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第二册)广东省韶关市曲江区曲江中学2021-2022学年高一下学期期末复习1数学试题浙江省宁波市咸祥中学2021-2022学年高一下学期期末数学试题(已下线)第八章 立体几何初步 (单元测)