名校
解题方法
1 . 《九章算术》是我国古代的数学名著,书中将底面为矩形,且有一条侧棱垂直于底面的四棱锥称为阳马.如图,在阳马
中,
平面ABCD,若
,E,F分别为PD,PB的中点,则 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b72c6d2ae4924f930c437542b3356a.png)
A.![]() |
B.![]() |
C.点![]() ![]() ![]() |
D.AC与平面EFC的所成角的正弦值为![]() |
您最近一年使用:0次
2023-11-17更新
|
570次组卷
|
5卷引用:模块三 专题1 小题入门夯实练(3) 期末终极研习室(高二人教A版)
(已下线)模块三 专题1 小题入门夯实练(3) 期末终极研习室(高二人教A版)四川省眉山市仁寿县2023-2024学年高二上学期12月联考数学试题浙江省嘉兴市嘉兴高级中学2023-2024学年高二上学期期中数学试题山东省泰安市新泰弘文中学2024届高三上学期第二次质量检测数学试题海南省2022-2023学年高二下学期学业水平期中考试数学试题
2 . 如图,在楼长为2的正方体
中,M,N分别是棱
,
的中点,点E在BD上,点F在
上,且
,点P在线段CM上运动,给出下列四个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/93b30606-a283-4bed-8680-8bd834cc16e7.png?resizew=161)
①当点E是BD中点时,直线
平面
;
②直线
到平面
的距离是
;
③
面积的最小值是
.
其中所有正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/93b30606-a283-4bed-8680-8bd834cc16e7.png?resizew=161)
①当点E是BD中点时,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b54387f870ae37f7951b253665d64f6.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db40c42655327adee01caedfc9d50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba2d49042c812a164167a8e42fde290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3740691124a5ed24347bffe5d55af3.png)
其中所有正确结论的个数是( )
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
23-24高二上·全国·课后作业
解题方法
3 . 在棱长为2的正方体
中,直线
与直线
间的距离为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
您最近一年使用:0次
23-24高二上·全国·课后作业
解题方法
4 . 在棱长为1的正方体
中, 求点B到直线
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cf99a0d5833beacc3a0ee39d39458.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
您最近一年使用:0次
23-24高二上·全国·课后作业
5 . 如图①,在
中,
,
,
,
、
分别是
、
上的点,且
,
,将
沿
折起到
的位置,使
平面
,如图②.若点
是线段
的靠近点
的三等分点,点
是线段
上的点,直线
过点
且垂直于平面
,则点
到直线
的距离的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69550d878381f6e8fb436e88638f070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e210c9698063925ad2df6b6c1749571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b5f7197e5bd1afeea4d931307956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa2a83fed9bf4cb09d84a980452e346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26d8a9d64ad3c8cba28840b41ed7837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f348ed8a1690d3ed02aa64459ca50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/3cb91e49-fed3-4479-9da2-772153e3b015.png?resizew=262)
您最近一年使用:0次
名校
解题方法
6 . 如图,在四棱锥
中,
平面
,
,
,则点
到直线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbce59b3dfacbb78819698979a86196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
A.![]() | B.![]() |
C.![]() | D.4 |
您最近一年使用:0次
2023-11-13更新
|
109次组卷
|
5卷引用:1.2.5 空间中的距离
(已下线)1.2.5 空间中的距离贵州省贵阳市第一中学2022-2023学年度高二上学期第一次摸底考试数学试题(已下线)1.4.2 用空间向量研究距离、夹角问题【第一练】(已下线)必考考点7 立体几何中角和距离 专题讲解 (期末考试必考的10大核心考点)重庆市三峡名校联盟2022届高三上学期联考数学试题
23-24高二上·全国·课后作业
解题方法
7 . 在长方体
中,
,
,
,求
到直线
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95628327dc58037e5368f4404c05ec39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
解题方法
8 . 如图,在棱长为1的正方体,
中,E为线段
的中点, 则直线
与平面
所成角的正弦值为______ ;点
到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3ef97d64e58d311019b70fe5e2cc0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/45438eea-5c80-4fbc-b449-23992d04fe31.png?resizew=154)
您最近一年使用:0次
2023-11-12更新
|
306次组卷
|
3卷引用:天津市河北区2023-2024学年高二上学期期中数学试题
天津市河北区2023-2024学年高二上学期期中数学试题(已下线)模块一 专题2 A 空间向量的应用基础卷 期末终极研习室高二人教A版天津市滨海新区2023-2024学年高二上学期期末质量检测数学试题
9 . 如图,在菱形
中,
,
,沿对角线BD将
折起,使点A,C之间的距离为
,若P,Q分别为直线BD,CA上的动点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db99494753dbb4588ded0394a9e18607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/3/be805600-3e77-43cc-ae52-ad3c69cb38e3.png?resizew=297)
A.线段PQ的最小值为![]() |
B.平面![]() |
C.当P,Q分别为线段BD,CA的中点时,PQ与AD所成角的余弦值为![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
10 . 如图,在直三棱柱
中,
.
(1)求证:
;
(2)求点
到直线
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c996bd3f50ab70b9b3d7d196033dc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/a086b476-f0d7-43c5-b4c5-3ccea8cfdf42.jpg?resizew=147)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa8345302e8036af33d4598282144d7.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
您最近一年使用:0次