1 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9776d0a8b575352aaa07a9cfea1a96db.png)
(1)求证:直线l过定点,并求出此定点;
(2)求点
到直线l的距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9776d0a8b575352aaa07a9cfea1a96db.png)
(1)求证:直线l过定点,并求出此定点;
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2b1f4120365cb6ee4925fe417563f9.png)
您最近一年使用:0次
2022-11-15更新
|
682次组卷
|
5卷引用:浙江省杭州市萧山区2022-2023学年高二上学期期中数学试题
浙江省杭州市萧山区2022-2023学年高二上学期期中数学试题浙江省杭州地区(含周边)重点中学2022-2023学年高二上学期期中数学试题(已下线)第01讲 直线的方程 (高频考点,精讲)-2湖南省长沙市四校2022-2023学年高二上学期期中联考数学试题(B卷)(已下线)模块四 期中重组篇 专题4 期中重组卷(浙江)
2 . 如图,在四棱台
中,底面ABCD是正方形,若
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/1f18b27a-1a13-4933-b054-be97936b6ff3.png?resizew=196)
(1)证明:
平面
;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00980583a1cecea36c82f7a232b46bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc416a5b8dc234628e7475387888d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90112dd259895f36f17babbc1c5bf53a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/1f18b27a-1a13-4933-b054-be97936b6ff3.png?resizew=196)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2e84d6e368f8368f8301c4cd66d6dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0ca7c25eceffc1c3515446f59396e1.png)
您最近一年使用:0次
名校
解题方法
3 . 如图,在四棱锥
中,
底面
,
,
,
,
为
的中点,
是
的中点.
![](https://img.xkw.com/dksih/QBM/2022/10/19/3091197501440000/3093972110467072/STEM/274e87adcaba4806a75978fca834c6b0.png?resizew=189)
(1)证明:
平面
.
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db3940f180ba6947c2edcfaf4431e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc77e828650bc522b229a9d11e0197c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040840cbaa9383d755f63b507cbc5a6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15c30c4aa77604e867654c2fba6d8a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/2022/10/19/3091197501440000/3093972110467072/STEM/274e87adcaba4806a75978fca834c6b0.png?resizew=189)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
您最近一年使用:0次
2022-10-23更新
|
492次组卷
|
2卷引用:浙江省金华市江南中学2022-2023学年高二上学期10月阶段性考试数学试题
名校
4 . 在空间四边形ABCD中,H,G分别是AD,CD的中点,E,F分别边AB,BC上的点,且
.求证:
(2)直线EH,BD,FG相交于一点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65817cfd7cbcea8e49033f93cb8e8cfe.png)
(2)直线EH,BD,FG相交于一点.
您最近一年使用:0次
2022-09-29更新
|
1903次组卷
|
12卷引用:浙江省杭州市第四中学下沙校区2021-2022学年高一下学期期中数学试题
浙江省杭州市第四中学下沙校区2021-2022学年高一下学期期中数学试题(已下线)第八章 立体几何初步 讲核心 02四川省巴中市恩阳区2022-2023学年高二上学期期中数学试题(已下线)空间点、直线、平面之间的位置关系(已下线)8.4 空间点、直线、平面之间的位置关系(精讲)-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)8.4.1 平面(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)(已下线)第八章:立体几何初步 章末检测试卷(已下线)8.4 空间点、直线、平面之间的位置关系(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)13.2.1 平面的基本性质-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(苏教版2019必修第二册)(已下线)核心考点06空间点、直线、平面的位置关系-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)(已下线)高一下期中真题精选(易错60题专练)-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)(已下线)专题3.3空间点、直线、平面之间的位置关系-重难点突破及混淆易错规避(人教A版2019必修第二册)
解题方法
5 . 如图:在多面体
中,四边形
是正方形,
平面
,
,
,点
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/1685a025-4396-4fd1-97c6-8a1694df5b01.png?resizew=197)
(1)求证:平面
平面
;
(2)若
,求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa3c61d6c19e187b4b824b6f5610cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3139e28714bfc3d5d875d78dd245d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d1125b47dec1c5e93143ee59ad862a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/1685a025-4396-4fd1-97c6-8a1694df5b01.png?resizew=197)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143afe58004d0d90294803bb712429d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a681d311a864d38cf306a0c137cbcca.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28be1dbdf1c4df932252fe0029715f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc46688d8723cf2003fc25890265200.png)
您最近一年使用:0次
名校
解题方法
6 . 如图在四棱锥
中,
,M,N分别是AB,CD的中点,
.
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967309888102400/2970317775986688/STEM/5b7d743a-2cab-4733-9d72-bc8bbd3a1446.png?resizew=148)
(1)求证:
平面AED;
(2)若点F在棱AD上且满足
,
平面CEF,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5164a3cc47e266446d49127e2ef10c37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ee4e85275fe680f84c6f38f8612ca8.png)
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967309888102400/2970317775986688/STEM/5b7d743a-2cab-4733-9d72-bc8bbd3a1446.png?resizew=148)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eaa5e336f830a3e5cd60ff7a756f3ef.png)
(2)若点F在棱AD上且满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2ab045632c2e24e6de87cfec4906fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8099c774a6ae6dd98712b0b90b60cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-05-02更新
|
1232次组卷
|
3卷引用:浙江省杭州“六县九校”联盟2021-2022学年高一下学期期中联考数学试题
7 . 如图,四边形
为正方形,
平面
,
,点
,
分别为
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/47256544-fd08-4dfc-9659-a04472a0d7bc.png?resizew=192)
(1)证明:
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/426fb5b83cf805b57abf749af88edc13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96dd78279bbd7e25a91bc013144633aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/47256544-fd08-4dfc-9659-a04472a0d7bc.png?resizew=192)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a91f8729f956a9b1c807103715770a3.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eb31601464364be2baf4aa87404bcd.png)
您最近一年使用:0次
名校
8 . 在平面直角坐标系中,已知两个定点
,曲线
上动点
满足
.
(1)求曲线
的方程;
(2)过点
任作一条直线与曲线
交于
两点
不在
轴上),设
,并设直线
和直线
交于点
.试证明:点
恒在一条定直线上,并求出此定直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc207a6e83281f9c91b8b80f8860ccd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab34ce6cee0673ab0d37b660d57bc07.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdfbae913ff7ff8caaefcaacf8c20ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030d5205aabb757fb29e03704b4b26b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d18ebb013aa59ac6bd6ca457942df34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15febfda66e733f14aa7115ed4343a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2022-11-07更新
|
829次组卷
|
3卷引用:浙江省金华市2022-2023学年高二上学期期末数学试题
名校
9 . 如图,在正方体
中,侧面对角线
、
上分别有两点
、
,且
.
![](https://img.xkw.com/dksih/QBM/2022/4/24/2964937319047168/2967020971196416/STEM/6a01d804ae794441a958fb21e0d69c8c.png?resizew=144)
(1)求证:
平面
;
(2)若
分别为
的中点,求异面直线
与
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.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/093e1086a63fd07f0db7860ebc49ee6e.png)
![](https://img.xkw.com/dksih/QBM/2022/4/24/2964937319047168/2967020971196416/STEM/6a01d804ae794441a958fb21e0d69c8c.png?resizew=144)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c72057b4bd74bf9f9b63b8b11f0c109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
您最近一年使用:0次
2022-04-27更新
|
165次组卷
|
3卷引用:浙江省宁波市北仑中学2021-2022学年高一(2-10班)下学期期中数学试题
名校
10 . 如图,在四棱锥
中,四边形
是边长为2的菱形,△
是边长为2的等边三角形,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabdc7132606a1299dcabd2e3b9e180.png)
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/3f2f5035-1d13-470c-b923-992b49ea5017.png?resizew=217)
(1)设
中点
,求证:
平面
;
(2)求平面
和平面
所成锐二面角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02bd5cfe804460846423e77f72db10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da035673ef0edcfae6b72fb5e5ba34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee261dd8ea7475c901d21f7c71ba025a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabdc7132606a1299dcabd2e3b9e180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/3f2f5035-1d13-470c-b923-992b49ea5017.png?resizew=217)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1100a56e918f75ed6d955a802050f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da035673ef0edcfae6b72fb5e5ba34a.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da035673ef0edcfae6b72fb5e5ba34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7609a1407f1e965fc9f1235552dcf9e.png)
您最近一年使用:0次
2022-11-06更新
|
486次组卷
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7卷引用:浙江省嘉兴市嘉善中学2022届高三下学期5月适应性考试数学试题
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