名校
解题方法
1 . 已知正方体
的体对角线
垂直于平面
,直线
与平面
所成角为
,在正方体
绕体对角线
旋转的过程中,记BC与直线
所成的最小角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260200d547998bcac50a4a491382e7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,已知正四棱锥
的所有棱长均为2,
为棱
的中点,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-06更新
|
2844次组卷
|
8卷引用:安徽省安庆市第一中学2023-2024学年高一下学期5月同步测试数学试卷
安徽省安庆市第一中学2023-2024学年高一下学期5月同步测试数学试卷安徽省六安第一中学2023-2024学年高一下学期期中考试数学试题河南省新乡市封丘县第一中学2023-2024学年高一下学期第三次阶段测试数学试题江西省宜春市宜丰中学2023-2024学年高一下学期6月月考数学试题(已下线)第六章:立体几何初步章末综合检测卷(新题型)-【帮课堂】(北师大版2019必修第二册)(已下线)6.3 空间点、直线、平面之间的位置关系-同步精品课堂(北师大版2019必修第二册)陕西省宝鸡市扶风县法门高中2023-2024学年高一下学期期中考试数学试卷吉林省长春市第二中学2023-2024学年高一下学期第二次学程考试(6月)数学试题
名校
解题方法
3 . 如图,在棱长为2的正方体
中,点
是线段
上的动点. 则 ( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/a9f1034f-04e0-4421-af95-e98adaa36653.png?resizew=163)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3defdd4d0c665d55184b84a7eb316f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/a9f1034f-04e0-4421-af95-e98adaa36653.png?resizew=163)
A.![]() ![]() ![]() | B.![]() |
C.直线![]() ![]() ![]() | D.三棱锥![]() ![]() |
您最近一年使用:0次
名校
4 . 下列命题正确的个数为( )
①长方体
中,
,
,则异面直线
与
所成角的余弦值为
;
②对于命题:
,则命题p的否定:
;
③“
”是“
”的充分不必要条件.
①长方体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64e76a4c1e5934f51cdca2ffbc8313f.png)
②对于命题:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e4e47b6400ba3416694d3c578e12a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01552be050fff5ee2106d13cc84bf0d.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae8adaa3d42ccb9d59e0d6b6f60bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5553e7018e6e14755bbcda2b657c7b03.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
5 . 已知正方体
的棱长为
是线段
上的一个动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418f37840c0422e960ed0fd7e61477e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
A.平面![]() ![]() |
B.三棱锥![]() |
C.异面直线![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 如图,点
是棱长为2的正方体
的表面上一个动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.当![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.使直线![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-12-16更新
|
279次组卷
|
2卷引用:安徽省六安市第一中学2024届高三上学期12月月考数学试题
名校
解题方法
7 . 如图,四面体
中,
、
、
两两垂直,
,
、
分别为棱
、
的中点.
与
所成角的余弦值;
(2)求
到平面
的距离;
(3)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831d40ae84e37a5939ccd15187d5e2a2.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
您最近一年使用:0次
2023-12-16更新
|
173次组卷
|
2卷引用:安徽省六安市第一中学2024届高三上学期12月月考数学试题
名校
解题方法
8 . 在正三棱柱
中,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2051053fd4f9949a13fc4c775930c07f.png)
,则下列结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2051053fd4f9949a13fc4c775930c07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38eb357ad09d7e1e1e3d295c8d1ee01c.png)
A.不存在![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.过![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 如图,在正四面体
中,
,
分别为
,
的中点,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/5ea32eb3-f7d9-4729-b45d-427fa5a3a5aa.png?resizew=160)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-15更新
|
575次组卷
|
5卷引用:安徽省蚌埠市怀远县怀远禹泽学校、固镇县汉兴学校2023-2024学年高二上学期第三次月考数学试题
安徽省蚌埠市怀远县怀远禹泽学校、固镇县汉兴学校2023-2024学年高二上学期第三次月考数学试题江苏省苏州星海实验高级中学2023-2024学年高二上学期12月月考数学试题福建省厦门双十中学2023-2024学年高二上学期第二次月考数学试卷广东省深圳市福田区红岭中学2023-2024学年高二上学期期中数学试题(已下线)专题04 异面直线所成的角(期末选择题4)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)
名校
解题方法
10 . 在正四棱台
中,
,点
是底面
的中心,若该四棱台的侧面积为
,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98fa550f7284589206595db2845280d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78402004b52882f028aec0491c21527d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec275f823ae17afdba53301fcbd2aa43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-11更新
|
433次组卷
|
3卷引用:安徽省江淮十校2024届高三第二次联考数学试题