名校
1 . 在棱长为2的正方体
中,
,点M为棱
上一动点(可与端点重合),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c88961cc1ea9e81bd1a76dddb2ce2276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.当点M与点A重合时,![]() ![]() |
B.当点M与点B重合时,![]() |
C.当点M为棱![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
2023-12-27更新
|
420次组卷
|
5卷引用:高三数学开学摸底考02(新高考专用)
名校
解题方法
2 . 如图,在矩形
中,点B,C,D与点
,
,
分别是线段
与
的四等分点,且
.若把矩形
卷成以
为母线的圆柱的侧面,使线段
,
重合,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5bb280919fefd301bcc544e9c7c65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bffa525a5cdd7df54b4ba1425831426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30014e714eefffc004cb3ccb4143d54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5bb280919fefd301bcc544e9c7c65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a667900b37d61c8e5b86d2dca625283.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/30/e8be240a-4727-4e16-b3ac-3371cac6b2a4.png?resizew=202)
A.直线![]() ![]() | B.直线![]() ![]() |
C.直线![]() ![]() | D.直线![]() ![]() |
您最近一年使用:0次
2023-05-26更新
|
653次组卷
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2卷引用:江苏省南京市南京外国语学校2024届高三下学期2月开学期初考试数学试题
3 . 已知
是正方体
的中心,过点
的直线
与该正方体的表面交于
、
两点,下列叙述正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72545bef56c4e32d1b76489bd32c3842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
A.点![]() ![]() ![]() ![]() ![]() ![]() |
B.线段![]() ![]() ![]() ![]() |
C.正方体![]() ![]() ![]() ![]() |
D.直线![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-10-19更新
|
597次组卷
|
2卷引用:江苏省南通市如皋市2024届高三下学期2月诊断测试数学试题
4 . 如图,
的正方形纸片,剪去对角的两个
的小正方形,然后沿虚线折起,分别粘合AB与AH,ED与EF,CB与CD,GF与GH,得到一几何体Ω,记Ω上的棱AC与EG的夹角为a,则下列说法正确的是___________ .
![](https://img.xkw.com/dksih/QBM/2021/6/6/2736984060076032/2738362151731200/STEM/185bfb1e-a64e-4a53-b3c7-9cc4a20664fb.png)
①几何体Ω中,CG⊥AE;
②几何体Ω是六面体;
③几何体Ω的体积为
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e329a94337ada7c88a4fad9b92f0eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d338f176b562d715d5741cf454b9c9.png)
![](https://img.xkw.com/dksih/QBM/2021/6/6/2736984060076032/2738362151731200/STEM/185bfb1e-a64e-4a53-b3c7-9cc4a20664fb.png)
①几何体Ω中,CG⊥AE;
②几何体Ω是六面体;
③几何体Ω的体积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a077ceccea768ed3c664d38d55242fbd.png)
您最近一年使用:0次
2021-06-08更新
|
1042次组卷
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4卷引用:北京市东直门中学2024届高三下学期开学检测数学试题
北京市东直门中学2024届高三下学期开学检测数学试题浙江省金华市2021届高三下学期5月高考仿真模拟数学试题(已下线)专题10 立体几何-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)专题34 立体几何解答题中的体积求解策略-学会解题之高三数学万能解题模板【2022版】