名校
解题方法
1 . 已知直线
绕与x轴交点旋转过程中始终与动直线
垂直,当直线
逆时针旋转75°时,则直线
沿与向量
共线的方向平移4个单位长度后的直线的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5604e5d0faed7fdd910bc139bcac31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babf8787b6aa6d475f7423c48975ff74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6864192fd6c8768d2815dbd5d239e2.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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名校
解题方法
2 . 如图,在四棱锥
中,
,且
.
![](https://img.xkw.com/dksih/QBM/2021/7/31/2775882385670144/2777328454025216/STEM/031d2be053b642688c0cc7efb3d3d7c5.png?resizew=212)
(1)证明:
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
,
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d0c2a55d368a0447e0ca8c2a296c28.png)
![](https://img.xkw.com/dksih/QBM/2021/7/31/2775882385670144/2777328454025216/STEM/031d2be053b642688c0cc7efb3d3d7c5.png?resizew=212)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45d21d0c1857cedc7632458da710ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c5ace226a547e68702df548b08cb5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c54d01623f09f23103f03ba1135fc6a.png)
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解题方法
3 . 已知两条直线
和
的交点为
,求经过点
且分别满足下列条件的直线方程:
(1)与直线
垂直;
(2)与直线
平行.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f38d84574b308eada50dec53830b173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c630b3681bfe62130efb4d63963ab1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fa8a28eb11ac0fb799951380544d8e.png)
(2)与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247d898e7215da8afc39af7775e91e6b.png)
您最近一年使用:0次
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解题方法
4 . 已知正三棱柱
所有棱长均为2,
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/a9f26173-a2c6-4b5a-8660-702d3ae05c08.png?resizew=134)
(1)求证:
平面
;
(2)求三棱锥
体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9debd13454918684cf8e07ce210516fc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/a9f26173-a2c6-4b5a-8660-702d3ae05c08.png?resizew=134)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa6d64d90b17044cb17ff3061420c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1369f53ea899e522cd567138d7e667bf.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef92c57971bf63ec6d77f8f654774dd.png)
您最近一年使用:0次
2020-05-04更新
|
309次组卷
|
3卷引用:重庆市实验中学2020-2021学年高一下学期第二阶段测试数学试题
名校
解题方法
5 . 如图所示,四棱锥
中,底面
为正方形,
平面
,
分别为
、
、
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/ea5de041-d407-434d-b72c-36060c54385c.png?resizew=167)
(1)求证:平面PAB//平面
;
(2)求证:
平面
;
![](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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/ea5de041-d407-434d-b72c-36060c54385c.png?resizew=167)
(1)求证:平面PAB//平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d94d1575acd95db8ebaecf4cc770087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
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2021-01-10更新
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208次组卷
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2卷引用:重庆市实验中学校2021-2022学年高二上学期10月月考数学试题
6 . 已知
、
是不同的平面,
、
是不同的直线,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
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解题方法
7 . 已知正四棱锥
的底面正方形的中心为
,若高
,侧棱与底面所成角是
,则该四棱锥的体积是( )
![](https://img.xkw.com/dksih/QBM/2021/7/31/2775882385670144/2777328453435392/STEM/1d39c4a6e18247e78c7db155fac0fd3a.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764829cc2c763b6aca0665aa143e304e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://img.xkw.com/dksih/QBM/2021/7/31/2775882385670144/2777328453435392/STEM/1d39c4a6e18247e78c7db155fac0fd3a.png?resizew=141)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-08-04更新
|
186次组卷
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4卷引用:重庆市清华中学2020-2021学年高一下学期第二次月考数学试题
重庆市清华中学2020-2021学年高一下学期第二次月考数学试题(已下线)考点32 直线、平面垂直的判定及其性质-备战2022年高考数学一轮复习考点帮(浙江专用)江西省兴国县将军中学2021-2022学年高二上学期月考数学(理)试题江西省兴国县将军中学2021-2022学年高二上学期月考数学(文)试题
名校
8 . 若圆
与圆
外切,则
等于___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187796700eb5500018a4e0f0a2ca4325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8b2202e1880139f16bc6ca7ef2ae07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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9 . 如图,四棱锥
面
面
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/cacd822b-141d-4be7-9bc6-5a1d40c0b358.png?resizew=208)
(1)证明:
及
面
;
(2)求二面角
的余弦值;
(3)线段
上一动点E,设直线
与面
所成角为
,则E在何处时,
的值最大?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a061d9c4c30ef4aed324be52ef2f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967d47ca1cbdaaf30baf00c79d8503fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66301f26e6d528ab482d753d90e9931.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/cacd822b-141d-4be7-9bc6-5a1d40c0b358.png?resizew=208)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee8e3e106015df4da241290765dc828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d294d69caac577339f11f477b2047e.png)
(3)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
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10 . 点A(1,2)到直线l:3x﹣4y﹣1=0的距离为( )
A.![]() | B.![]() | C.4 | D.6 |
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2020-02-28更新
|
147次组卷
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2卷引用:重庆市清华中学校2021-2022学年高二上学期第一次月考(10月)数学试题