名校
解题方法
1 . 在棱长为1的正方体
中,点
是该正方体表面及其内部的一个动点,且
平面
,则线段
的长的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f369bec2d5682bf6b8b317a08aff546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57132b0bd38c035fec010ee3be1bc8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
您最近一年使用:0次
2024-05-01更新
|
1226次组卷
|
10卷引用:湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题
湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题(已下线)湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题11-15(已下线)6.5.1直线与平面垂直-【帮课堂】(北师大版2019必修第二册)(已下线)【北京专用】高一下学期期末模拟测试B卷(已下线)必修第二册综合检测卷-重难点突破及混淆易错规避(人教A版2019必修第二册)安徽省安庆市第一中学2023-2024学年高一下学期5月同步测试数学试卷(已下线)核心考点5 立体几何中的位置关系 B提升卷 (高一期末考试必考的10大核心考点)山西省临汾市侯马市第一中学校2023-2024学年高一下学期第三次月考数学试题安徽省亳州市第一中学2023-2024学年高一下学期期中检测数学A卷安徽省亳州市第一中学2023-2024学年高一下学期期中检测数学B卷
名校
解题方法
2 . 在如图所示的多面体中,
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe21d51a66caafa14054a41c9a37d1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836b56dbc08431a5b102a49dade806c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4b8eb77297ee04a78626433a90b58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b812363d7a76cc17df075a874d851ee3.png)
上求作点
使
平面
请写出作法并说明理由;
(2)求三棱锥
的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe21d51a66caafa14054a41c9a37d1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836b56dbc08431a5b102a49dade806c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4b8eb77297ee04a78626433a90b58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b812363d7a76cc17df075a874d851ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fbc229c957487495bb8cda1d4cfd8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f79db7c270b6ff9fb0a538ee201cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed46dc5ff6947bffc737c001fd1f11a.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f178906e90bafd73e0ef9f89814855d5.png)
您最近一年使用:0次
3 . 如图(1)所示,在平面四边形
中,
是边长为2的等边三角形,
,
为边
的中点,将
沿
折成直二面角,得到如图(2)所示的四棱锥
.
为棱
的中点,证明:
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481cb1bbc008a2d103e90b1e1efaf14f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79482c6de6bbd05affc78f9c625e52f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d5ff57f147aa0628fdd47899b5a132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3941e941831abe31562369d21c6b5dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79482c6de6bbd05affc78f9c625e52f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f369bec2d5682bf6b8b317a08aff546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d923a338dd2d2e29336b42574d38448.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff1cfed0158e9c90e29706b6a5d2924.png)
您最近一年使用:0次
名校
4 . 如图,在四棱锥
中,底面
是平行四边形,
、
分别为
、
上的点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/1be74814-b430-4931-b6d0-764847974183.png?resizew=166)
(1)证明:
平面
;
(2)若
平面
,
为
的中点,
,
,求二面角
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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5a5af5960e1ac65946343889f69857.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/1be74814-b430-4931-b6d0-764847974183.png?resizew=166)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcafa398cc6b6079883e7ad153eb62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9068f29d671d76d1e95ba3a4eaff5b96.png)
(2)若
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3294cff9c742de2d2cee7472138eb363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6906f59d09ce31956d6f5ea2b23fc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baa2f1a925d67fcd406218b83015d13.png)
您最近一年使用:0次
2024-03-25更新
|
797次组卷
|
2卷引用:湖南省衡阳市第八中学2024届高三下学期高考适应性练习数学试卷
名校
解题方法
5 . 如图,点
是棱长为2的正方体
的表面上一个动点,
是线段
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
A.若点![]() ![]() ![]() ![]() |
B.三棱锥![]() ![]() |
C.当直线![]() ![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-03-19更新
|
2215次组卷
|
3卷引用:湖南省九校联盟2024届高三下学期第二次联考数学试题
名校
6 . 如图,在四棱锥
中,
平面
为矩形,
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/743255c0-9212-4e41-86ab-3908432a857e.png?resizew=136)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
平面
.
(2)若
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654c6391665a5aee872901309abd4b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044fc06badbda5c3f7882af087e8ce9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/743255c0-9212-4e41-86ab-3908432a857e.png?resizew=136)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585b9bbafa936929b1e77fe38b8ef4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,正方体
的棱长为
,
、
是线段
上的两个动点,且
,则下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/1/6f3c6462-7def-423f-a2f9-8a29cc0ccc16.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f115f2683c0422042f1846450885e7fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/1/6f3c6462-7def-423f-a2f9-8a29cc0ccc16.png?resizew=158)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.三棱锥![]() |
您最近一年使用:0次
解题方法
8 . 如图所示,在棱长为1的正方体
中,
分别为
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473ce0e22c4edc6ef768e0c12f59e483.png)
A.直线![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.直线![]() ![]() |
D.平面![]() ![]() |
您最近一年使用:0次
解题方法
9 . 如图,在正方体
中,
,
分别为棱
,
的中点,
是线段
上的动点.证明:
平面
;
(2)
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89006cac018a9875f65ed7bd429c61bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae8768996ca9a0f2c5d9a19abbd54df.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e4efb8e1bf4b3a121d4eb0eacf4d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae8768996ca9a0f2c5d9a19abbd54df.png)
您最近一年使用:0次
2023-07-08更新
|
535次组卷
|
5卷引用:湖南省益阳市资阳区2023-2024学年高一下学期6月联考数学试题
(已下线)湖南省益阳市资阳区2023-2024学年高一下学期6月联考数学试题(已下线)专题19 平面与平面平行-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)8.5.3 平面与平面平行-同步题型分类归纳讲与练(人教A版2019必修第二册)【人教A版(2019)】专题14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广东省汕尾市2022-2023学年高一下学期期末数学试题
20-21高一下·全国·课后作业
解题方法
10 . 若平面
平面
,
,则
与
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60be170a52db82cf37b30db0cde26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1754786a3367aca3da18ee3316e5b968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.无法判定 |
您最近一年使用:0次
2021-10-17更新
|
1271次组卷
|
7卷引用:2024年湖南省普通高中学业水平合格性考试(压轴卷)数学试题
2024年湖南省普通高中学业水平合格性考试(压轴卷)数学试题(已下线)8.4.2 空间点、直线、平面之间的位置关系(练习)-2020-2021学年下学期高一数学同步精品课堂(新教材人教版必修第二册)(已下线)第10课时 课后 空间中平面与平面的平行(已下线)8.5 空间直线、平面的平行-2021-2022学年高一数学10分钟课前预习练(人教A版2019必修第二册)(已下线)8.4 空间点、直线、平面之间的位置关系(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)(已下线)8.4.2空间点、直线、平面的位置关系(练案)-2021-2022学年高一数学同步备课 (人教A版2019 必修第二册)(已下线)第8.5讲 空间直线、平面的平行