名校
解题方法
1 . 在长方体
中,
,
,动点P在体对角线
上(含端点),则下列结论正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/71335fd0-dfc5-479a-b1e2-a516a1a7145b.png?resizew=137)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/71335fd0-dfc5-479a-b1e2-a516a1a7145b.png?resizew=137)
A.当P为![]() ![]() |
B.存在点P,使得![]() |
C.![]() ![]() |
D.顶点B到平面APC的最大距离为![]() |
您最近一年使用:0次
2023-11-15更新
|
572次组卷
|
2卷引用:海南省琼海市海桂中学2023-2024学年高二上学期期中考试数学试题(B卷)
名校
解题方法
2 . 如图,在直三棱柱
中,
,
,
,
,
分别为
,
,
的中点.则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb717228e1762d335814a3adc90eae45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/41ebf9db-8ac8-4056-8dd3-8868c0a6b116.png?resizew=161)
A.直线![]() ![]() ![]() |
B.平面![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
2023-10-14更新
|
244次组卷
|
2卷引用:海南省省直辖县级行政单位澄迈县澄迈中学2023-2024学年高二上学期期中数学试题
解题方法
3 . 如图,棱长为
的正方体
中,
,
分别为
,
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161f651ef002ac85870d46b04347b54f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86814dbae9a5343d69bb4647900b3bfe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/12/091bde26-bfda-4be0-acbf-cd430d352629.png?resizew=138)
A.直线![]() ![]() ![]() |
B.平面![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 正三棱台
中,
,
分别是
和
的中心,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbcdaa9492b12bf8863b1435d6f8237.png)
A.直线![]() ![]() ![]() |
B.平面![]() ![]() ![]() |
C.正三棱台![]() ![]() |
D.四棱锥![]() ![]() ![]() |
您最近一年使用:0次
2023-01-02更新
|
552次组卷
|
4卷引用:海南省昌江县部分学校2023届高三二模数学试题
名校
解题方法
5 . 已知正三棱柱
的所在棱长均为2,P为棱
上的动点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d9a907ce40a6b908e1cd4fce7e7b098.png)
A.该正三棱柱内可放入的最大球的体积为![]() |
B.该正三棱柱外接球的表面积为![]() |
C.存在点P,使得![]() |
D.点P到直线![]() ![]() |
您最近一年使用:0次
2022-10-29更新
|
952次组卷
|
6卷引用:海南省琼海市嘉积中学2023届高三上学期第三次月考(期中)数学试题
名校
6 . 如图,在棱长为2的正方体
中,E为
的中点,F为
的中点,如图建系,则下列说法正确的有( )
![](https://img.xkw.com/dksih/QBM/2022/3/14/2936123732189184/2946213224955904/STEM/09348bac-6a0f-4da4-bfcf-89e080e49625.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://img.xkw.com/dksih/QBM/2022/3/14/2936123732189184/2946213224955904/STEM/09348bac-6a0f-4da4-bfcf-89e080e49625.png?resizew=188)
A.![]() |
B.向量![]() ![]() ![]() |
C.平面AEF的一个法向量是(4,-1,2) |
D.点D到平面AEF的距离为![]() |
您最近一年使用:0次