名校
解题方法
1 . 如图,在空间直角坐标系
中,正方形
与矩形
所在平面互相垂直(
与原点
重合),
在
上,且
平面
,则
点的坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/4/7f81f22c-3080-4950-b4eb-f0de029f279f.png?resizew=187)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4b93d7abcfc4c3df48f03aa969c17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbc4482145feccd25000e1ab5ee0a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f33fa5152ba27f7b8a28890cefca219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/4/7f81f22c-3080-4950-b4eb-f0de029f279f.png?resizew=187)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 如图,在直三棱柱
中,
,
为
的中点.
到平面
的距离.
(2)求平面
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352778470650c08ef29deccd03c202b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf9628142422a4884bd59538da6d312.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31228c7fd89c98d6235ad993d51d413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62fd0b510920be6bc60d170c3ff3da3.png)
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名校
解题方法
3 . 已知
的内角A,B,C的对边分别为a,b,c,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f46c7f89428617ae644d3521800b5ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca634c6de8b034f395a2d452d152024.png)
A.充要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
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2024-06-03更新
|
292次组卷
|
2卷引用:甘肃省白银市2023-2024学年高一下学期5月阶段性检测数学试题
名校
4 . 设O为坐标原点,
.
(1)求
;
(2)若点P为直线OC上一动点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28888c465339fd81a7661274281b3c3a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5119fc2e9ffbc6e75c14c3486c1eac9.png)
(2)若点P为直线OC上一动点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
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5 . 已知平面
外的直线l的方向向量为
,平面
的一个法向量为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faaae12f61344a73ef1f7af730a94c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6583b1c44e198899f9edfbb4b4dfa734.png)
A.l与![]() | B.![]() | C.![]() | D.![]() |
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6 . 在空间四边形ABCD中,E,F分别为BC,CD的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cea9cc9b798f672a4a6a86819341778.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 如图,在正方体
中,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.![]() |
B.三棱锥![]() ![]() ![]() |
C.![]() |
D.![]() ![]() |
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名校
解题方法
8 . 将一块
模板放置在空间直角坐标系中,其位置及坐标如图所示,则点A到直线BC的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
9 . 如图,在四棱锥
中,平面
平面ABCD,
,且
.
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f6fc675e89ad7e5f0b513d59012c56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ebae7734c2f3527c02221ae7329da0.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1069d514c3c32aeabd274475ee209ed6.png)
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10 . 已知空间直角坐标系中的三点
,
,
.
(1)若
,且
,求向量
的坐标;
(2)已知向量
与
互相垂直,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5e428213f946350934bc876fba5514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daca2df16b221585c93109fd17bc1b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92ecb2412db3b9143c500555c2a0ceb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1fa7538549bf04c02a09ead1745ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2948a7c39b1fbcc70cd94a636a825793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215ec17116710e7927ad75ccd88c4e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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