名校
1 . 设
为直线,
为平面,则
的一个充要条件是( )
![](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/daac3b69009a27d28fa04fd88c9bb102.png)
A.![]() ![]() | B.![]() ![]() |
C.垂直于![]() ![]() | D.存在一个与![]() ![]() |
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解题方法
2 . 如图,在正方体
中,
为线段
的中点,
为线段
上的动点.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/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
A.存在点![]() ![]() |
B.存在点![]() ![]() ![]() |
C.三棱锥![]() |
D.存在点![]() ![]() |
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名校
解题方法
3 . 已知
、
表示两条不同的直线,
表示平面,则下面四个命题正确的是( )
①若
,
,则
; ②若
,
,则
;
③若
,
,则
; ④若
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e076b91a9178217532e11c496400e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d6a7aec04e1d5768ef830b534460a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048e833e0c0995d4cf039ed30ba38b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b330d69a949d9b55f4b6f18f47e0a37.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187f7895012551f2067f0b77d8df2141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b330d69a949d9b55f4b6f18f47e0a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048e833e0c0995d4cf039ed30ba38b56.png)
A.①② | B.②③ | C.①③ | D.③④ |
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2024-05-05更新
|
445次组卷
|
10卷引用:贵州省贵阳市2022届高三适应性考试(二)数学(文)试题
贵州省贵阳市2022届高三适应性考试(二)数学(文)试题贵州省贵阳市2022届高三适应性考试(二)数学(理)试题(已下线)第一章 点线面位置关系 专题二 空间垂直关系的判定与证明 微点4 直线与平面垂直的判定与证明综合训练【基础版】(已下线)期末押题预测卷02-2021-2022学年高一数学下学期期末必考题型归纳及过关测试(人教A版2019)4.3.2 直线与平面垂直的性质甘肃省庆阳第六中学2022-2023学年高一下学期第二次月考数学试题(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】(已下线)8.6.1直线与直线垂直+8.6.2直线与平面垂直——课后作业(基础版)(已下线)8.6.2 直线与平面垂直-同步题型分类归纳讲与练(人教A版2019必修第二册)甘肃省天水市第一中学2023-2024学年高一下学期第二次段中检测(6月)数学试题
名校
解题方法
4 . 如图,正四棱锥
每一个侧面都是边长为4的正三角形,若点M在四边形ABCD内(包含边界)运动,N为PD的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
A.当M为AD的中点时,异面直线MN与PC所成角为![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.存在一个体积为![]() ![]() |
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2024-04-10更新
|
616次组卷
|
2卷引用:2024届贵州省贵阳市高三下学期适应性考试数学试题
名校
解题方法
5 . 如图,在三棱柱中,
,
,
为
的中点,平面
平面
.
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebe6a446b91e73b181f9f4d56264dd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41104641f3e2260d00aeadf8fb8a078a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d8afb6a50406ba4c6621f4976c8dcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f25c5543b39190dc2499aa66f939659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642a7dd471434c923f76809dfa5ee183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41104641f3e2260d00aeadf8fb8a078a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
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2024-01-31更新
|
398次组卷
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7卷引用:贵州省贵阳市第一中学2024届高三上学期高考适应性月考卷(五)数学试题
6 . 已知正方体
的棱长为1,点
,
分别为线段
,
的中点,点
满足
,点
为棱
(包含端点)上的动点,则下列说法正确的是( )
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cabaaf14632607539386bf88fcab134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
A.平面![]() |
B.二面角![]() ![]() |
C.存在![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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名校
7 . 如图所示,四棱锥
底面
为矩形,且
,
分别为
的中点,点
为线段
上靠近点
的三等分点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/d48177e5-c273-42ae-857f-c2cfa69fee43.png?resizew=183)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
平面
;
(2)当
时,求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a022a267cc64a3289317ef88494ae9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e203b7c9a6600e0272c58a23733490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1a062aa55781bec93f54d85eaff8c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/d48177e5-c273-42ae-857f-c2cfa69fee43.png?resizew=183)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0cbbcc3d79bf999588882e7b1b4324.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e267d11d17f33c2bcf3b6b1d4b55a5de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12b929019ca5c2a922a019e3f42b5e5.png)
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2024-01-02更新
|
385次组卷
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2卷引用:贵州省贵阳市第一中学2024届高三上学期高考适应性月考(三)(11月)数学试卷
解题方法
8 . 如图所示,在直三棱柱中,底面
是直角三角形,
且
,
,
分别为线段
和线段
上的动点,则下列说法错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/29/2d0a250c-af99-42ab-a895-870f8dd0bd88.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632e63b610953515e4f130034ca913e6.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/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/29/2d0a250c-af99-42ab-a895-870f8dd0bd88.png?resizew=169)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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名校
9 . 如图,已知圆柱的轴截面
为正方形,
,
为圆弧
上的两个三等分点,
,
为母线,
,
分别为线段
,
上的动点(与端点不重合),经过
,
,
的平面
与线段
交于点
.
(1)证明:
;
(2)当
时,求平面
与圆柱底面
所成夹角的正弦值的最小值.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/24/a3435286-b6cd-4341-9e3a-51c680ec7bd2.png?resizew=119)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ce395d0a14f53004b815c5304afb4f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9398ffc304dcefeda7a865cf557f702f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2023-09-23更新
|
411次组卷
|
2卷引用:贵州省贵阳第一中学2024届高三上学期高考适应性月考数学试题
10 . 如图,一块边长为
正方形铁片上有四个以
为顶点的全等的等腰三角形(如图1),将这4个等腰三角形裁下来,然后用余下的四块阴影部分沿虚线折叠,使得
,
重合,
,
重合,
,
重合,
,
重合,
,
,
,
重合为点
,得到正四棱锥
(如图2).则在正四棱锥
中,以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/12/cd2a3d46-4c9b-40be-bbdc-f857393ba3d8.png?resizew=150)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/12/832ab7b5-56a4-4f09-b565-e3bc9ee5d76d.png?resizew=187)
A.平面![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() |
D.当正四棱锥的体积取到最大值时,![]() |
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