解题方法
1 . 如图,平面
的一条斜线l与
交于点O,
是l在
上的投影,
是
上过点O的另一条直线,若l上一点A到平面
的距离为1,l与
所成的角的大小为45°,l与
所成的角的大小为60°,则点A到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0e6cfccf07adf51e4431185f0ca6fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0e6cfccf07adf51e4431185f0ca6fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0e6cfccf07adf51e4431185f0ca6fc.png)
您最近一年使用:0次
2024-01-11更新
|
144次组卷
|
2卷引用:上海市黄浦区2023-2024学年高二上学期期末调研测试数学试卷
名校
2 . 空间中两条异面直线所成角为
,直线与平面所成角为
,若
的取值集合为
,
的取值集合为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
__________
.填“
”、“
.
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88dbbaafc83b2435ff00756b9e356b06.png)
您最近一年使用:0次
名校
3 . 下列命题为真命题的是( )
A.已知a、b、c、d是空间中的四条不同直线,若![]() ![]() |
B.已知a、b是两条直线,![]() ![]() ![]() ![]() |
C.已知m、n是两条空间直线,![]() ![]() ![]() |
D.已知AB、CD是平面![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
4 . 将棱长为12的正四面体沿棱长的三等分点处截去四个小正四面体后,所得的多面体称为阿基米德体,如图所示.若点N在阿基米德体的表面上运动,且直线MN与直线AB始终满足
,则动点N的轨迹所围成平面图形的面积是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f479d987bc7abd828c64f9dc745836ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/6/150d35e8-ccf0-4c32-b260-b7861b9fe62a.png?resizew=268)
您最近一年使用:0次