1 . 已知正方体
的棱长为2,点
是
的中点,点
满足
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee2271ff6f44f9a0bd27c3d5cd704e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb6bf23a5a12e1ba5413594d7b1a57c.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() | D.三棱锥![]() ![]() |
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2 . 如图,在棱长为2的正方体
中,
分别是棱
的中点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c99e7102-f228-4d7e-831f-8a1c456ca588.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db31b6ce9408706f77680ac8c75c2ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b318a89e8653ef62c66bae95ac1ab10.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c99e7102-f228-4d7e-831f-8a1c456ca588.png?resizew=159)
A.![]() ![]() |
B.![]() ![]() ![]() |
C.异面直线![]() ![]() |
D.平面![]() ![]() |
您最近半年使用:0次
2024-02-20更新
|
650次组卷
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3卷引用:广西壮族自治区2023-2024学年高二下学期3月联考数学试卷
3 . 如图,在直三棱柱
中,
为
上一点,
为
上一点,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1cfb29a198dc193ba29b03646d5d62c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298385f1950bd1712e311c6af3d7dfa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/17/8a50453d-51c9-45e4-a94a-8c42ac73c263.png?resizew=160)
A.直线![]() ![]() |
B.异面直线![]() ![]() ![]() |
C.![]() |
D.![]() |
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2024-01-25更新
|
130次组卷
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2卷引用:广西壮族自治区北海市2023-2024学年高二上学期期末教学质量检测数学试题
4 . 在正三棱柱
中,已知
,
,则异面直线
和
所成角的正弦值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1225db7039505351a11f64841ec0af2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
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解题方法
5 . 如图,在四棱锥中,
底面
,底面
为正方形,
,
为
的中点,
为
的中点,则异面直线
与
所成角的正弦值为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近半年使用:0次
2024-01-03更新
|
274次组卷
|
3卷引用:广西壮族自治区玉林市博白县五校2023-2024学年高二上学期12月联考数学试卷
广西壮族自治区玉林市博白县五校2023-2024学年高二上学期12月联考数学试卷辽宁省七校协作体2023-2024学年高二下学期开学考试数学试题(已下线)专题8.6 空间直线、平面的垂直(一)【八大题型】-举一反三系列
6 . 如图,在直三棱柱
中,
,
,点
,
分别是线段
,
上的动点(不含端点),且
.则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/8bc10ab9-5c5c-4f16-9f00-e264562ed6ce.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ebef69fc7fca5adac9dde01b509247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdc1a6d2a119531f3ea51a8ee2db63a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/8bc10ab9-5c5c-4f16-9f00-e264562ed6ce.png?resizew=151)
A.![]() ![]() | B.点![]() ![]() |
C.异面直线![]() ![]() ![]() | D.直线![]() ![]() ![]() |
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7 . 如图,在正三棱柱
中,若
,则
与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/065638c5-ac50-4ad4-9dcf-c75e1977acc1.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baa3d0db9ad31d33c2883a6efed1dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/065638c5-ac50-4ad4-9dcf-c75e1977acc1.png?resizew=152)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近半年使用:0次
名校
解题方法
8 . 如图,由矩形
与矩形
构成的二面角
为直二面角,
为
中点,若
与
所成角为
,且
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/a16c4642-0ac4-4a96-bb4b-1313f8e46d3b.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d87b527147cb8dbb475bcefc0da2e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e39a623f94cb296227666dae5bc24b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8236b0eca1c38d49d9d1c9acec0c81ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/a16c4642-0ac4-4a96-bb4b-1313f8e46d3b.png?resizew=162)
A.1 | B.2 | C.![]() | D.![]() |
您最近半年使用:0次
2023-11-13更新
|
270次组卷
|
5卷引用:广西南宁市第三中学、钦州市第二中学2023-2024学年高二上学期期中考试数学试题
广西南宁市第三中学、钦州市第二中学2023-2024学年高二上学期期中考试数学试题(已下线)第11讲 8.6.1 直线与直线垂直-【帮课堂】(人教A版2019必修第二册)(已下线)13.2.4 平面与平面的位置关系(2)-【帮课堂】(苏教版2019必修第二册)(已下线)8. 6. 3 平面与平面垂直(第1课时)(导学案) -【上好课】(人教A版2019必修第二册)(已下线)第八章 立体几何初步(二)(知识归纳+题型突破)(1)-单元速记·巧练(人教A版2019必修第二册)
解题方法
9 . 如图,在棱长为2的正方体
中,点
在平面
内且
,延长
交平面
于点
,则以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849b7c1951eb016e65f615d1a782af10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/46841383-a72a-41ab-aa77-f7a3095680fd.png?resizew=164)
A.线段![]() ![]() |
B.点![]() ![]() |
C.直线![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近半年使用:0次
解题方法
10 . 在正方体
中,
为
的中点,则异面直线
与
所成角的正弦值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cf3a313649d7b92f28dd9fb8c27e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
您最近半年使用:0次
2023-10-19更新
|
726次组卷
|
3卷引用:广西壮族自治区河池市八校2023-2024学年高二上学期第一次联考(10月)数学试题