名校
1 . 如图,在三棱锥
中,
,平面
平面
是
的中点,
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/5167ebe6-366d-4bf3-98a9-9fed6659a4f6.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae2e95b42870df8c84d3831467045f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6073645d6b32ffd02450369e203ade0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bef5d4132e7840cd06f6314a8c233e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/5167ebe6-366d-4bf3-98a9-9fed6659a4f6.png?resizew=145)
A.三棱锥![]() ![]() |
B.![]() ![]() ![]() |
C.![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
2 . 如图,在菱形
中,
,
,将
沿直线
翻折成
(P不在平面
内),则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6906f59d09ce31956d6f5ea2b23fc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/8/de9c42bc-ef97-4dce-863a-3c67a14141b3.png?resizew=175)
A.![]() |
B.点B到直线![]() |
C.当![]() ![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 如图,在正方体
中,
,点
分别为
的中点,点
满足
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fdf6f784f618a70fb4768f74aa970b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549a14e52fa0a7e18020f43e0a683272.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/3/43ee631a-920d-431f-abd2-c45ef459953b.png?resizew=153)
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.平面![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-09-01更新
|
794次组卷
|
5卷引用:河北省保定市保定市部分高中2024届高三上学期开学数学试题
名校
解题方法
4 . 已知圆锥顶点为S,高为1,底面圆
的直径
长为
.若
为底面圆周上不同于
的任意一点,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.圆锥![]() ![]() |
B.![]() ![]() |
C.圆锥![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-04-01更新
|
3317次组卷
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8卷引用:河北省保定市第一中学2023-2024学年高一下学期贯通创新实验班开学考试数学试题
河北省保定市第一中学2023-2024学年高一下学期贯通创新实验班开学考试数学试题山东省新高考联合质量测评2023届高三下学期3月联考数学试题山东省青岛市青岛第五十八中学2022-2023学年高一下学期期中数学试题四川省成都市实验外国语学校2022-2023学年高一下学期期末数学试题(已下线)专题二 期末高分必刷多选题(30道)-《考点·题型·密卷》(已下线)高一下学期期末数学考试模拟卷05-期中期末考点大串讲专题09空间几何体的表面积与体积福建省莆田市第二中学2023-2024学年高一下学期期中考试数学试题
5 . 已知三棱柱
的6个顶点全部在球O的表面上,
,
,三棱柱
的侧面积为
,则球O的表面积可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2eeea823136ef9fccdcc9f181247cbe.png)
A.4π | B.8π | C.16π | D.32π |
您最近一年使用:0次
2021-09-10更新
|
429次组卷
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5卷引用:河北省邢台市2022届高三上学期入学考试数学试题
河北省邢台市2022届高三上学期入学考试数学试题重庆市2022届高三上学期入学考试数学试题重庆市“好教育联盟”2022届高三上学期9月入学诊断数学试题(已下线)专题9.3—立体几何—外接球1—2022届高三数学一轮复习精讲精练湖北省随州市广水市实验高级中学等2022届高三上学期联考数学试题