名校
1 . 已知正方体
的边长为4,点E是棱CD的中点,P为四边形
内(包括边界)的一动点,且满足
平面
,则点P的轨迹长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231ecbf3b26a3ba1fdb7cbbd6ba90e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9d2681b05dcdaf1e3933356242b23d.png)
A.![]() | B.2 | C.![]() | D.1 |
您最近一年使用:0次
2023-09-06更新
|
535次组卷
|
5卷引用:山东省济宁市第一中学2023-2024学年高一下学期6月月考数学试题
山东省济宁市第一中学2023-2024学年高一下学期6月月考数学试题湖南省名校联盟2023-2024学年高二上学期入学摸底考试数学试题河南省平顶山市叶县高级中学2023-2024学年高二上学期10月月考数学试题(已下线)专题02 空间动点轨迹8种题型归类-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)(已下线)专题3.5空间直线、平面的平行-重难点突破及混淆易错规避(人教A版2019必修第二册)
2021高三·全国·专题练习
名校
2 . 已知四棱锥
,底面
为菱形,
为
上的点,过
的平面分别交
于点
,且
∥平面
.
(1)证明:
;
(2)当
为
的中点,
与平面
所成的角为
,求平面
与平面
所成的锐二面角的余弦值.
![](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/696ce5422605ffbaedab96bff18840db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930e85bc9f73e86cfb6ce9b076433f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd68fe22ed9909165aedc98d1d8e3a9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/17/cac947bb-1f01-499b-8f96-1c9eab029f59.png?resizew=193)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828247a3338571cb0d4ba2a5bf88929c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71cd821556abe4b0bd3318aa07e3d05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c745df4f226027778d5fe45b6501b822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
您最近一年使用:0次
2023-08-13更新
|
2065次组卷
|
17卷引用:山东省青岛市青岛第五十八中学2021-2022学年高三上学期期中数学试题
山东省青岛市青岛第五十八中学2021-2022学年高三上学期期中数学试题(已下线)理科数学-2021年高考押题预测卷(新课标Ⅰ卷)03安徽省滁州市定远县民族中学2021届高三下学期5月模拟检测理科数学试题江苏省淮安市盱眙中学2020-2021学年高三上学期期中数学试题江苏省南通市平潮高中2020-2021学年高三上学期11月学情检测数学试题广东省广州四中2022届高三下学期4月月考数学试题浙江省金华市磐安县第二中学2020届高三下学期返校检测试数学试题福建省莆田市第五中学2023届高三上学期12月月考数学试题云南省临沧市民族中学2022-2023学年高二上学期期中数学试题重庆市2024届高三上学期8月月度质量检测数学试题江西省宜春市丰城市第九中学2024届高三(28班)上学期开学考试数学试题辽宁省大连市第八中学2023-2024学年高二上学期10月月考数学试题广东省广州市第十六中学2023-2024学年高二上学期期中数学试题黑龙江省绥化市哈师大青冈实验中学2023-2024学年高二上学期期中数学试题(已下线)专题03 空间向量求角度与距离10种题型归类-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)(已下线)专题15 立体几何解答题全归类(练习)(已下线)专题06 二面角4种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)
解题方法
3 . 如图,在正四棱柱
中,
,
∥平面MAC.
(1)证明:M是
的中点;
(2)若正四棱柱的外接球的体积是
,求该正四棱柱的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/5/e7673eec-8fe4-47f5-a514-8bc8c82a4303.png?resizew=125)
(1)证明:M是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
(2)若正四棱柱的外接球的体积是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefdcd39676298f214654051fc51ba92.png)
您最近一年使用:0次
2023-07-28更新
|
573次组卷
|
2卷引用:山东省青岛第十五中学2023-2024学年高二上学期期初考试数学试题
4 . 以下四个命题中,真命题是______ (只填真命题的序号).
①若a,b是两条直线,且
,则a平行于经过b的任何平面;
②若直线a和平面
满足
,则a与
内的任何直线平行;
③若直线a,b和平面
满足
,
,则
;
④若直线a,b和平面
满足
,
,
,则
.
①若a,b是两条直线,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff4e42856fa5f6a4e12993e53b065e3.png)
②若直线a和平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4054967667c435aa4480450d02937d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d6a7aec04e1d5768ef830b534460a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4054967667c435aa4480450d02937d0f.png)
③若直线a,b和平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4054967667c435aa4480450d02937d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d6a7aec04e1d5768ef830b534460a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22374b9b90e04bd0e0e34ece26a89f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff4e42856fa5f6a4e12993e53b065e3.png)
④若直线a,b和平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4054967667c435aa4480450d02937d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff4e42856fa5f6a4e12993e53b065e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d6a7aec04e1d5768ef830b534460a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6784912a159b0be1bf836f985b0c2794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22374b9b90e04bd0e0e34ece26a89f8.png)
您最近一年使用:0次
2023-07-23更新
|
851次组卷
|
5卷引用:山东省东营市第一中学2022-2023学年高一下学期6月月考数学试题
山东省东营市第一中学2022-2023学年高一下学期6月月考数学试题(已下线)第七章 立体几何与空间向量 第三节?第一课时直线,平面平行的判定与性质(核心考点集训)(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4 直线与平面平行的判定与证明综合训练【基础版】(已下线)8.5.2 直线与平面平行【第一练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)11.3.2直线与平面平行-同步精品课堂(人教B版2019必修第四册)
解题方法
5 . 设
,
表示不同的直线,
,
,
表示不同的平面,给出下列四个命题,其中正确命题的个数是( )
①若
,
,则
②若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0331c73469747f462c630745e20d05f.png)
③若
,
,
,则
④若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663397a19ab6ff3fd95d0b69e12aa927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc95f7f91cad8984463deaf4c96ae67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82e5d28e2e5a4790e94db2daa6a07c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0331c73469747f462c630745e20d05f.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af680499446f4f2cd3c3d6cb37905efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb088614157a85ed7cb11802e49a2981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663397a19ab6ff3fd95d0b69e12aa927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f236f93b96ed780adb8a79e473efefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663397a19ab6ff3fd95d0b69e12aa927.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
6 . 如图,
是
的直径,点
是
上的动点,过动点
的直线
垂直于
所在的平面,
,
分别是
,
的中点.
与
所在的平面的交线为
,求证:
;
(2)当
为
的中点,且
时,求
与平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a392d05d3cfcbb438569b1ea9980dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4fce8e923062b9779553d6f282895b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a392d05d3cfcbb438569b1ea9980dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820567942aa98b2feaaa017fcb7790df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd224ea30e03552a8f85d25ce787d717.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f3703d596a2e36d6672ead47297f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90c780dac29ff8b7df5881d3b33abab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af57d63e83ef0e183add10cd6beec65b.png)
您最近一年使用:0次
2023-07-14更新
|
448次组卷
|
2卷引用:山东省聊城市2022-2023学年高一下学期期末数学试题
名校
7 . 设A,B,C表示不同的点,n,l表示不同的直线,
,
表示不同的平面,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 如图,四边形
与
均为菱形,
,
,
,记平面
与平面
的交线为
.
;
(2)证明:平面
平面
;
(3)记平面
与平面
夹角为
,若正实数
,
满足
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf80b036459da6dcb841a4bbe3859fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d223346f234798b92bd1eaa78360b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7ce5d5cc777ef4d5b890cc9cbb70b0.png)
(2)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b6711e6dd48be6cf8fa52926924d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)记平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](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/54b7195a853621ea5bebe8d2d1436732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b992104248a854e6e033c26602aff813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7bfbdbf0f1957459f12ae149d5176e.png)
您最近一年使用:0次
2023-07-11更新
|
1967次组卷
|
5卷引用:山东省青岛市平度市2022-2023学年高一下学期期末数学试题
名校
解题方法
9 . 已知在四棱锥
中,底面
为梯形,且
的交点为
,在
上取一点
,使得
平面
,四棱锥
的体积为
,三棱锥
的体积为
,则下面结论正确的为( )
![](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/29823b6e974d90a8e64db34f1c593f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6bf5e78398cde7a87c2669746d2f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373f735f0f04d11f1951eaef1bb78b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096e490592b9cbf1969565caef36a14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4764374bd2fb78e59cd0b283637baeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f363d62f07ecc579b22a708fd1779c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63055a5d6916f99d07fede49120753f.png)
A.![]() | B.![]() |
C. ![]() | D.![]() |
您最近一年使用:0次
10 . 如图①,在
中,B为直角,AB=BC=6,EF∥BC,AE=2,沿EF将
折起,使
,得到如图②的几何体,点D在线段AC上.
(1)求证:平面
平面ABC;
(2)若
平面BDF,求直线AF与平面BDF所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4215ae359227ff75071903accff4feba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/8d130baf-b932-4776-90f5-25ec450cba60.png?resizew=286)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6501f1c913a4ef64957a2f01ab5baa15.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c34b18525831f3eda7bb90be0199b9.png)
您最近一年使用:0次
2023-06-21更新
|
722次组卷
|
8卷引用:山东省临沂市(二模)、枣庄市(三调)2020届高三临考演练考试数学试题
山东省临沂市(二模)、枣庄市(三调)2020届高三临考演练考试数学试题(已下线)专题九 立体几何与空间向量-山东省2020二模汇编江苏省如皋市部分学校2021-2022学年高三上学期8月调研数学试题江苏省盐城市响水县第二中学2022-2023学年高二下学期期中数学试题广东省梅州市大埔县虎山中学2023届高三高考热身数学试题(已下线)第11讲 用空间向量研究距离、夹角问题11种常见考法归类-【暑假自学课】2023年新高二数学暑假精品课(人教A版2019选择性必修第一册)(已下线)第11讲 第一章 空间向量与立体几何 章末题型大总结(1)(已下线)专题03 立体几何大题