名校
1 . 如图,棱长为1的正方体
中,点E为
的中点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/c1d2ff9e-9b3b-4723-a94a-34d7023ad0a5.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/c1d2ff9e-9b3b-4723-a94a-34d7023ad0a5.png?resizew=165)
A.![]() ![]() |
B.线段![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.过![]() |
您最近一年使用:0次
名校
2 . 如图所示,在棱长为1的正方体
中,E,F,G分别为
,
,
的中点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/df41bcfa-50fe-4354-b109-d3cf7412bb2f.png?resizew=163)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/df41bcfa-50fe-4354-b109-d3cf7412bb2f.png?resizew=163)
A.直线![]() ![]() | B.直线![]() ![]() |
C.直线![]() ![]() | D.平面![]() ![]() |
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解题方法
3 . 如图,在正四棱柱
中,
,
,
是该正四棱柱表面或内部一点,直线
与底面
所成的角分别记为
,且
,记动点P的轨迹与棱
的交点为
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/2f1efea9-5663-4de3-b0ea-116679f9eb45.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c2eef1b59d3be8b75f06cd908ec4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589c3cc1f331dbb2248b0829039df7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d56c02bc9bfef821f77b50e8276bb9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0851c37c5965dccabd2c242ca8745f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/2f1efea9-5663-4de3-b0ea-116679f9eb45.png?resizew=145)
A.![]() ![]() |
B.线段![]() |
C.存在一点![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-12-15更新
|
327次组卷
|
2卷引用:浙江省杭州市北斗联盟2023-2024学年高二上学期期中联考数学试题
名校
解题方法
4 . 为弘扬中华民族优秀传统文化,某学校组织了《诵经典,获新知》的演讲比赛,本次比赛的冠军奖杯由一个铜球和一个托盘组成,如图①,已知球的体积为
,托盘由边长为4的正三角形铜片沿各边中点的连线向上折叠成直二面角而成,如图②.则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/bbf49297-f995-421e-a48f-987025f8d621.png?resizew=352)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fb457e8ac0d3ac35e1c668ea138f91.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/bbf49297-f995-421e-a48f-987025f8d621.png?resizew=352)
A.经过三个顶点![]() ![]() ![]() ![]() |
B.平面![]() ![]() |
C.直线![]() ![]() ![]() |
D.球面上的点离球托底面![]() ![]() |
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解题方法
5 . 如图,正四面体
的棱长为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.点![]() ![]() ![]() |
B.点![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.二面角![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 如图,已知二面角
的棱
上有
,
两点,
,
,
,
,且
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/f4cc2f3dcb248fc764614be3a9ddd25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c638fb895acd987140d0ca6bef097499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaccf1887c4b530fd86a2f0f199c6797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0a2d7d40a6c0bf1fddb802db381689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073f7ddbb55f800bc79bbccedc4819ee.png)
A.![]() |
B.当二面角![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-12-07更新
|
975次组卷
|
4卷引用:湖北省十一校2024届高三第一次联考数学试题
湖北省十一校2024届高三第一次联考数学试题广东省广州市中山大学附中2024届高三上学期1月月考数学试题(已下线)专题06 立体几何 第二讲 立体几何中的计算问题(解密讲义)安徽省利辛县第一中学2023-2024学年高三上学期第23次限时练数学试题
名校
7 . 已知为圆锥
底面圆
的直径,
,
,点
为圆
上异于
的一点,
为线段
上的动点(异于端点),则( )
A.直线![]() ![]() ![]() |
B.圆锥![]() ![]() |
C.棱长为![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-12-02更新
|
605次组卷
|
3卷引用:安徽省黄山市八校联盟2023-2024学年高二上学期期中考试数学试题
解题方法
8 . 已知长方体
的棱
,
,点
满足:
,
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ae7072624587654d162548a80d7a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347853cebe065eac4cab2305cf71582c.png)
A.当![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
9 . 如图直角梯形
中,
,
为
的中点,以
为折痕把
折起,使点
到达点
的位置,且
,.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc8b58dfbda662369d9b7b6a23aabd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1720da6d65e7fa854d98322d3864240.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/a6de51b2-7bfc-4891-8665-f192486b907b.png?resizew=158)
A.平面![]() ![]() | B.![]() |
C.二面角![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
10 . 在直角梯形
中,
,
,
,
,
,
在
上,
,
在
上,
.将
沿直线
翻折至
的位置,将四边形
沿
翻折至四边形
的位置,使
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/4b686bc1-6d68-4593-8446-0e3ec579e0b2.png?resizew=323)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af260e0d98c95d1e092dc4c6d348e3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f656e1d1f68954e5f06de8958f6a9310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e901a932e409a3d432128fd60436a885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbd6f0a0412d0f43ce1f7c1d530e56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ef2dc657bd3b3c0f47642e607b142a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03952d664fba91020fc5f3bcf2f9746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f4248e8021130ab60365e3d2e9a694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3c5c8187180242e0e0a7cb3797f585.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/4b686bc1-6d68-4593-8446-0e3ec579e0b2.png?resizew=323)
A.![]() ![]() ![]() |
B.平面![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.四棱锥![]() ![]() |
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