名校
解题方法
1 . 如图,在长方体
中,
,
与
所成的角为
,则
与平面
所成角的正弦值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4cd2b33bd983a9ed6575b9de04a46a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/18/7e21653d-ee06-47af-8ae6-a4424c1e6005.png?resizew=178)
您最近一年使用:0次
2023-01-13更新
|
562次组卷
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6卷引用:上海市第十中学2022-2023学年高二上学期期末数学试题
上海市第十中学2022-2023学年高二上学期期末数学试题(已下线)8.6.2直线与平面垂直的性质定理(第2课时)(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)(已下线)立体几何专题:线线角与线面角的5种考法(已下线)13.2.2 空间两条直线的位置关系-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)陕西省咸阳市武功县普集高级中学2022-2023学年高一下学期6月第三次月考数学试题(已下线)8.6.2直线与平面垂直(第2课时) 直线与平面垂直的性质(分层作业)-【上好课】
名校
2 . 如图,在棱长为3的正方体
中,
为线段
上的动点,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/85cb743f-0157-48d6-b2df-9114719234a4.png?resizew=171)
![](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/0d8772aa893a9c1d40f714cb25701701.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/85cb743f-0157-48d6-b2df-9114719234a4.png?resizew=171)
A.对任意点![]() ![]() ![]() |
B.三棱锥![]() ![]() |
C.线段![]() ![]() |
D.存在点![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-01-11更新
|
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2卷引用:重庆实验外国语学校2022-2023学年高二上学期期末数学试题
名校
3 . 如图,在三棱柱
中,
平面
.
平面
;
(2)求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee6a2c9d3843855bf89516bdd6ad5de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd9878462feb8b48d6f9746c1e6eb0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1d2e0f281222a5f289ea4008370aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
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2023-01-05更新
|
902次组卷
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6卷引用:北京市昌平区2022-2023学年高二上学期期末质量检测数学试题
北京市昌平区2022-2023学年高二上学期期末质量检测数学试题北京市顺义区第一中学2023-2024学年高二上学期12月月考数学试题北京市怀柔区第一中学2023-2024学年高二下学期2月测试数学试题(已下线)8.6.2直线与平面垂直的判定定理(第1课时)(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)(已下线)8.6.2 直线与平面垂直(2) -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)浙江省东阳中学、东阳市外国语学校2022-2023学年高一下学期期中数学试题
名校
4 . 如图所示,在三棱柱
中,
是等边三角形,
平面
,
,
,
,
分别是
,
,
的中点,则直线
与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/97971c26-def6-42af-85b1-6ba03d54046a.png?resizew=140)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4339a40ae9d1947ec3a4b3e2fa3a16cd.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/97971c26-def6-42af-85b1-6ba03d54046a.png?resizew=140)
A.![]() | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
2023-01-04更新
|
369次组卷
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4卷引用:河南省信阳高级中学2022-2023学年高二上学期10月巩固测试数学试题
名校
解题方法
5 . 如图,在边长为2的正方形
中,
,
分别为
,
的中点,
为
的中点,沿
,
,
将正方形折起,使
,
,
重合于点
,在构成的三棱锥
中,下列结论错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/c15e34a4-ac54-4e47-a106-8aa874caaf20.png?resizew=301)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e76557eb459ed6fec296b1f9889b58.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/c15e34a4-ac54-4e47-a106-8aa874caaf20.png?resizew=301)
A.![]() ![]() |
B.三棱锥![]() ![]() |
C.直线![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
解题方法
6 . 如图,在正四面体ABCD中,
,则BC与平面ACD所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/60d8e516-9493-4586-a5f8-407f47c6794c.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/60d8e516-9493-4586-a5f8-407f47c6794c.png?resizew=152)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 在直三棱柱
中,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/557b9f31-09a7-4977-86d3-b9258964561a.png?resizew=161)
(1)求四棱锥
的体积V;
(2)求直线
与平面
所成角的大小;
(3)求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96a6b20a35af7755e5d90789ea862da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/557b9f31-09a7-4977-86d3-b9258964561a.png?resizew=161)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d0727de4c16b53b4bb6ab370afde6c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(3)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
您最近一年使用:0次
名校
8 . 在正方体
中,下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.![]() |
B.![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 如图,在三棱锥
中,平面
平面
是
的中点,
.
是边长为1的等边三角形,
在射线
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/8e37a31d-be5f-4cd8-b6dc-6258e069dcb2.png?resizew=207)
(1)证明:
;
(2)若
,且二面角
的大小为
,求二面角
的大小;
(3)若
,求直线
与平面
所成角的正弦的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5936c7ff73fd5ab2b24e887acef6a2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4807ca16360c0cca436e59d4be98f626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/8e37a31d-be5f-4cd8-b6dc-6258e069dcb2.png?resizew=207)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21be01a95cdd3149512bf95d6084fdd6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d76c5ac5c9f0a2ec064487c02c476e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324d453870b345da0c41977290192f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec2524be492bca0d1566bf848066f10.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e32a859e1616f7a7e4202d58d030794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
您最近一年使用:0次
名校
10 . 如图,在直三棱柱
中,
,
,
,
交
于点E,D为
的中点.
![](https://img.xkw.com/dksih/QBM/2022/12/26/3139400720547840/3139815324753920/STEM/15a6557207de41f88f1f8aa1ae829a2a.png?resizew=133)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b664648ccc5b678bf23e8b9e30143f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/2022/12/26/3139400720547840/3139815324753920/STEM/15a6557207de41f88f1f8aa1ae829a2a.png?resizew=133)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662698361c6b3ddaf0c28a3c87be53e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
您最近一年使用:0次
2022-12-27更新
|
352次组卷
|
2卷引用:山东省菏泽第一中学2022-2023学年高二上学期12月月考数学试题