名校
1 . 已知
是异面直线,
平面
,
平面
,直线
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f979a27d3a09a17445561091e6655eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13761925fc1f25fd654a4b829032c8c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f64d69358d515989bb5c3ad21ebfb7.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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2022-12-27更新
|
245次组卷
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2卷引用:甘肃省敦煌中学2022-2023学年高三上学期第二次诊断考试数学理科试题
2 . 已知命题:“若
、
为异面直线,平面
过直线
且与直线
平行,则直线
与平面
的距离等于异面直线
、
之间的距离”为真命题.根据上述命题,若
、
为异面直线,且它们之间的距离为
,则空间中与
、
均异面且距离也均为
的直线
的条数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.0条 | B.2条 | C.4条 | D.无数多条 |
您最近一年使用:0次
3 . 设
,
为不重合的两个平面,
,
为不重合的两条直线,则下列命题中正确的是( )
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2022-12-20更新
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2卷引用:云南省大理市下关第一中学教育集团2022~2023学年高二上学期段考(二)数学试题(A卷)
名校
解题方法
4 . 在正方体
中,P是平面
内的一动点,M为线段
的中点,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
A.平面![]() ![]() |
B.平面![]() ![]() ![]() |
C.平面![]() ![]() |
D.平面![]() ![]() ![]() |
您最近一年使用:0次
2022-12-17更新
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1269次组卷
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6卷引用:四川省成都市第七中学2022-2023学年高三上期一诊模拟考试数学(文)试题
四川省成都市第七中学2022-2023学年高三上期一诊模拟考试数学(文)试题四川省成都市第七中学2022-2023学年高三上期一诊模拟考试数学(理)试题四川省成都市2022-2023学年高三上学期12月一诊模拟数学(文)试题(已下线)8.5.2 直线与平面平行 (精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(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)(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(B素养提升卷)
名校
解题方法
5 . 如图,四棱锥
中,
,
,点
为
上一点,
为
,且
平面
.
与平面
的交线为
,求证:
平面
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d34ac97b116fc5c4e99d07dda1c50b3.png)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb47dd9004de56321a653725342d4f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcafa398cc6b6079883e7ad153eb62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a4afe69e9ee3c701f1f109c3a0a7d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8139d9fd5c670c91aa7dc485366dd1e.png)
您最近一年使用:0次
2022-12-16更新
|
2375次组卷
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11卷引用:山东省聊城市聊城第一中学2021-2022学年高一下学期5月质量检测数学试题
山东省聊城市聊城第一中学2021-2022学年高一下学期5月质量检测数学试题(已下线)空间直线、平面的平行(已下线)8.5 空间直线、平面的平行(精练)-2022-2023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)8.5.2直线与平面平行(精练)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)海南省海口市海南中学2022-2023学年高一下学期期中考试数学试题(已下线)8.5.1-8.5.2 直线与直线、直线与平面平行(1)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(人教A版2019必修第二册)(已下线)专题8.15 空间中线面的位置关系大题专项训练(30道)-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08 空间直线与平面的平行问题(2) - 期中期末考点大串讲(已下线)专题09 基本图形的平行与垂直-期中期末考点大串讲(苏教版2019必修第二册)福建省三明市永安第九中学2022-2023学年高一下学期5月月考数学试题(已下线)8.5.2 直线与平面平行-同步精品课堂(人教A版2019必修第二册)
名校
解题方法
6 . 如图,在四棱锥
中,已知底面
是正方形,
底面
,且
是棱
上动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/6d39f7b1-cfc0-4e66-802e-0cac9eb1e70a.png?resizew=158)
(1)若过C,D,E三点的平面与平面PAB的交线是
,证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684a77998d27d5738f3e0cbb4a854ec6.png)
(2)线段
上是否存在点
,使二面角
的余弦值是
?若存在,求
的值;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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d5d5a464ed3f9a7fc9722c31a94f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/6d39f7b1-cfc0-4e66-802e-0cac9eb1e70a.png?resizew=158)
(1)若过C,D,E三点的平面与平面PAB的交线是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684a77998d27d5738f3e0cbb4a854ec6.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5102c216393e133fa25dba98cd78535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a56f51a6312441f9f07daf7e62ff41.png)
您最近一年使用:0次
2022-12-15更新
|
894次组卷
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4卷引用:广东省深圳市盐田高级中学2023届高三上学期11月月考数学试题
广东省深圳市盐田高级中学2023届高三上学期11月月考数学试题福建省永春第一中学2022-2023学年高二上学期期末考试数学试题江西省丰城中学2022-2023学年高二上学期期末数学试题(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】
解题方法
7 . 四棱锥
中,底面ABCD是边长为2的菱形,侧面
底面ABCD,
,
,E是BC的中点,点Q在侧棱PC上.请用空间向量知识解答下列问题:
(2)是否存在点Q,使![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
平面DEQ?若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1328e05d150f86dbe18656662eaa8f6b.png)
(2)是否存在点Q,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46d11e82d212c5dd76dfc0bca0399e4.png)
您最近一年使用:0次
名校
8 . 如图,在正四棱柱
中,
,点E在
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/2d4a3ee0-397a-4160-bca8-92ccee969aef.png?resizew=136)
(1)若平面
与
相交于点F,求
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19dd0f4f3deb0bfcc06297818b9a177.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/2d4a3ee0-397a-4160-bca8-92ccee969aef.png?resizew=136)
(1)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbafedc202bd0d86c4dfdece9f8f4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408871c2b71ef88d6f556ce53cf73cc9.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f5cd91063b46b8a26a43ac5f41229c.png)
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2022-12-08更新
|
961次组卷
|
3卷引用:湖北省部分优质重点高中2022-2023学年高三上学期12月联考数学试题
名校
9 . 如图,在四棱锥
中,平面
平面
,
平面
,
,
,
,
,动点
在棱
上运动.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/a868ef88-9ce5-403f-b073-306c850c3527.png?resizew=153)
(1)求证:
平面
;
(2)当
时,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97aa4983cbe775555358812593615a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b377f22aafd3742ad860f77abaacef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e56e59c261f2d1f97f16621de3884e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae4c71adb6856d4bd6092c1128a010e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/a868ef88-9ce5-403f-b073-306c850c3527.png?resizew=153)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac18b0388014ae20b2add2975ef56aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d738d9374fb6e9284e6a58afc532cb6.png)
您最近一年使用:0次
2022-12-08更新
|
351次组卷
|
2卷引用:安徽省安庆市大联考2022-2023学年高三上学期阶段性测试(三)理科数学试题
名校
10 . 已知在正方体
中,
分别是棱
的中点,
是棱
上一点,则下列命题中正确的个数为( )
①异面直线
与
之间的距离为定值;
②平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
平面
;
③设平面
平面
,则
;
④直线
与平面
所成的角为
.
![](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/e18d8f78500301347c238d8079cb7208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
①异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd5b5d9bed01632b26ab881deab2afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a253cf6e78c3d60d1d29a24e2f0a41d.png)
③设平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6704f9196e4a299664383c683a064c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72063e390276ce5fb902c2a9c4aa8f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04ba55ac2061f4e3da6a9b141593bed.png)
④直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679748eab882a6be0fefd2cc300349a4.png)
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2022-12-08更新
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3卷引用:安徽省安庆市大联考2022-2023学年高三上学期阶段性测试(三)理科数学试题