名校
解题方法
1 . 如图,已知四棱锥
的底面是菱形,
交
于点O,E为
的中点,F在
上,
,
平面
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7171401b766d245215abf89674f3e892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb178784aa857d4d4683e650273f054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2024-04-19更新
|
730次组卷
|
3卷引用:江西省南昌市第十九中学2021-2022学年高二下学期第一次月考数学试卷
江西省南昌市第十九中学2021-2022学年高二下学期第一次月考数学试卷(已下线)6.4 .1 直线与平面平行-同步精品课堂(北师大版2019必修第二册)吉林省实验中学2023-2024学年高一下学期5月期中考试数学试题
名校
解题方法
2 . 如图,棱长为2的正方体
中,E、F分别为棱
的中点,G为面对角线
上一个动点,则下列选项中正确的是 _____ .
①三棱锥
的体积为定值
.
②存在
线段
,使平面
平面
.
③G为
上靠近
的四等分点时,直线
与
所成角最小.
④若平面
与棱
有交点,记交点分别为M,N,则
的取值范围是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e3e67d56b946fd77a7f9d12222e0a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
①三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79d516856d92c60553659a22a45118e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
②存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1762bd4dae0766e3bcb49c29a57a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fd975b889bfe7ddcec0de56b6f23ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf9628142422a4884bd59538da6d312.png)
③G为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
④若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11dbfa1097bc37f9c0072bcb7daeb2d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b88477451cc7efc1cacf4b03e4b13d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/23/f665888a-2601-41c9-80e0-6fd31aabbd12.png?resizew=174)
您最近一年使用:0次
解题方法
3 . 如图,在棱长为1的正方体
中,点
是对角线
上的动点(点
与
不重合),则下面结论中正确的是__________ .(填序号)
①存在点
,使得平面
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0a582c36d62d83c16425b2f54b4354.png)
②存在点
,使得
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
③对任意点
的面积都不等于![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0467b0675c3ecfb282cc88255284d3e1.png)
④
分别是
在平面
,平面
上的正投影图形的面积,对任意点
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04d6165b18f1a031b2a137961832491.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/14/2a051d9a-16b1-48f1-ab42-79751f3d8dba.png?resizew=163)
①存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1671cc93b233d6e52529a50c1a622ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0a582c36d62d83c16425b2f54b4354.png)
②存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1d2e0f281222a5f289ea4008370aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
③对任意点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc1c46130944027b9c2a39b77927269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0467b0675c3ecfb282cc88255284d3e1.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd5683dba7d9f29d643e9a3e3204fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3928d0c519a9e198a0313c75147f6ca.png)
您最近一年使用:0次
2023-08-10更新
|
652次组卷
|
2卷引用:北京市育英学校(四年制高三)2021-2022学年高二下学期期中练习数学试题
4 . 设
、
是不同的直线,
、
是不同的平面,其中真命题是 ______________ (填序号).
(1)若
,
,
,则
; (2)若
,
,
,则
;
(3)若
,
,
,则
; (4)若
,
,
,
,则
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6ca6fed060a95127579051f7a6b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a042a14e1c3c915ad11544c9e1e57da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808c6d37467a5c995d71e49408503927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6ca6fed060a95127579051f7a6b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
您最近一年使用:0次
2023-12-12更新
|
420次组卷
|
2卷引用:上海市某中学2021-2022学年高二上学期期末数学试题
5 . 如图,已知圆锥
,底面圆内接正方形
,若平面
平面
.现有以下三个结论:
平面
;
②
;
③若
为钝角,
是底面圆周上的动点,则
的最大面积大于
的面积.
其中所有正确结论的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b66af1efba9c495ea6273cc06b7f328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ab7bd4b7520525ce61881a052c3f04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3c0430146b7b8d40ebb721a4d0de19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc6f6dfdbe7d39891c35f67e1a95c7f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ee6c7e0dfe134561f818cb51eebe09.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c52e1ac6e3dc5140344d1e31fa9a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4ab88b5a64821a06de8593ddba0145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e49817548cb45b3d1e58570644c6fc.png)
其中所有正确结论的序号是
您最近一年使用:0次
解题方法
6 . 如图长方体
中,
,
,上底面
的中心
到平面
的距离是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3e58edd1f900ca82bb2a3058293f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775df7ba0dc94c15e9e706194a463f1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/27/1e5756d1-3fe8-4b0b-a3d6-d43f7aeb3d3e.png?resizew=171)
您最近一年使用:0次
2023-09-25更新
|
225次组卷
|
2卷引用:浙江省衢温“5+1”联盟2022-2023学年高二上学期期中联考数学试题
7 . 如图,已知正方体
的棱长为
分别是棱
的中点,点
为底面四边形
内(包括边界)的一动点,若直线
与平面
无公共点,则点
在四边形
内运动所形成轨迹的长度为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a132288b3f023748b54cf3a5a8b940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a438de4d260b84dfde7d0fd492b9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c798204bbe306b3efd5bc9eae594c171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/26/89c6bf45-eee4-4b8c-b655-37b27f66793c.png?resizew=161)
您最近一年使用:0次
2023-03-24更新
|
1331次组卷
|
7卷引用:山东省枣庄市2021-2022学年高二上学期期末数学试题
山东省枣庄市2021-2022学年高二上学期期末数学试题(已下线)1.3 空间向量及其运算的坐标表示(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)辽宁省重点高中沈阳市郊联体2023-2024学年高二上学期1月期末考试数学试题广西南宁市2023届高三第一次适应性测试(理科)数学试题(已下线)专题13立体几何(选择填空题)(已下线)重难点突破04 立体几何中的轨迹问题(六大题型)(已下线)第三章 空间轨迹问题 专题二 立体几何中位置关系类动点轨迹问题 微点1 立体几何中位置关系类动点轨迹问题【培优版】
8 . 正方体
的棱长为1,E,F,G分别为
的中点,则下列结论正确的是___________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/3/cf444e82-c002-4c4c-8dc7-6c4450c47319.png?resizew=173)
①直线
与直线AF垂直
②直线
与平面AEF平行
③平面AEF截正方体所得的截面面积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4700efcb84c4027ce7a50af0d5212fc.png)
④点
与点D到平面AEF的距离相等
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473ce0e22c4edc6ef768e0c12f59e483.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/3/cf444e82-c002-4c4c-8dc7-6c4450c47319.png?resizew=173)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3334853138fb74687d66b1e45f2fd9.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04777f3f4661fa1c08a1cc0dfb807c7d.png)
③平面AEF截正方体所得的截面面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4700efcb84c4027ce7a50af0d5212fc.png)
④点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
您最近一年使用:0次
名校
解题方法
9 . 下面四个正方体中,点A、B为正方体的两个顶点,点M、N、P分别为其所在棱的中点,能得出
平面
的图形序号是______ .(写出所有符合条件的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307807ee10071bafbe922eb18d2517d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52173c8cc44246823c2bee21a783b731.png)
您最近一年使用:0次
2023-02-06更新
|
1842次组卷
|
15卷引用:上海市第十中学2022-2023学年高二上学期12月月考数学试题
上海市第十中学2022-2023学年高二上学期12月月考数学试题(已下线)10.4 平面与平面间的位置关系(第1课时)(七大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)四川省南充市阆中市阆中中学校2023-2024学年高二上学期11月月考数学试题山东省烟台第一中学2023-2024学年高二下学期2月月考数学试题沪教版(2020) 必修第三册 高效课堂 第十章 10.3直线与平面位置关系(1)(已下线)8.5.3 平面与平面平行(分层作业)-【上好课】2022-2023学年高一数学同步备课系列(人教A版2019必修第二册)第八章 立体几何初步(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教A版2019必修第二册)(已下线)必修二全册综合测试卷(基础篇)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)(已下线)专题8.10 空间直线、平面的平行(重难点题型检测)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)湖南省长沙市宁乡市2022-2023学年高一下学期期末数学试题(已下线)模块二 专题4 立体几何中的平行与垂直的位置关系 基础卷A(已下线)模块二 专题7 立体几何中的平行与垂直的位置关系 基础卷A(已下线)第一章 点线面位置关系 专题一 空间平行关系的判定与证明 微点1 空间平行关系的判定与证明【培优版】(已下线)第10讲 8.5.3 平面与平面平行-【帮课堂】(人教A版2019必修第二册)(已下线)8.5空间直线、平面的平行——课后作业(基础版)
名校
解题方法
10 . 已知正方体
中,
,点P在平面
内,
,求点P到
距离的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
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3卷引用:上海市位育中学2022-2023学年高二上学期期末数学试题