名校
1 . 在空间直角坐标系
中,有坐标分别是
的三个点,平面
过点
并且与直线
垂直.则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9ec438f4449fbddf96b5a982c2f4fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
A.向量![]() ![]() |
B.若平面![]() ![]() ![]() ![]() |
C.若平面![]() ![]() ![]() ![]() |
D.对空间任意点![]() ![]() ![]() |
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21-22高二·全国·课后作业
2 . 空间两点间的距离公式
在空间直角坐标系中,设
,
,则
两点间的距离![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6dffda470e7e1a52336c371dbb610b.png)
_________ .
在空间直角坐标系中,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d97b3f36a52924098cb631012c178e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a8f8c9051949b18199fa01e4b28c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6dffda470e7e1a52336c371dbb610b.png)
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2022-02-12更新
|
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3卷引用:第一章 空间向量与立体几何 1.3 空间向量及其运算的坐标表示 1.3. 2 空间向量运算的坐标表示
名校
3 . 如图(1)是一副直角三角板.现将两个三角板沿它们的公共边翻折成图(2)的四面体
,设
,
与面
所成角分别为
,
,在翻折的过程中,下列叙述正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825575199817728/2828531898515456/STEM/5730fc01a7a04cdd91a591de1cd31992.png?resizew=541)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825575199817728/2828531898515456/STEM/5730fc01a7a04cdd91a591de1cd31992.png?resizew=541)
A.存在某个位置使得![]() |
B.若![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.异面直线![]() ![]() ![]() |
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2021-10-13更新
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5卷引用:浙江省温州市乐清第二中学2021-2022学年高二上学期1月第一次月考数学试题
解题方法
4 . 在空间直角坐标系
中,已知
,且
的面积为
.过
作
平面
于点
.若三棱锥
的体积为
,则点
的坐标可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02ba7cab012ebf65e419fcb482af206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65e18509e2d8927f99bbcb017d7ad07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4278c0911e7df78965e78cff69cac5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-08-06更新
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3卷引用:3.1空间直角坐标系测试卷-2022-2023学年高二上学期数学北师大版(2019)选择性必修第一册