名校
1 . 如图,在五面体
中,底面
为矩形,
和
均为等边三角形,
平面
,
,
,且二面角
和
的大小均为
.设五面体
的各个顶点均位于球
的表面上,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/9922bed7-bbff-4246-a837-64a6972fd2e9.png?resizew=215)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a04a2b317c5a6b8b7eb5d760fbd818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e2bf04b646d77e272034198d21a1e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5219d5b2c63eded763670e5800dd67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9abe6e8d1f4f1e8bdc46ddbae0cd789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ba310682e25a0c6d488e6aff816614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5292af357a9c81f104ff2237053a4d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c2044ecc165365634e21f3e95ec7f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8b7a29b332ac3a192a2c19efa1f886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadd8e8730b81d153ffa6c55a3ac68e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a04a2b317c5a6b8b7eb5d760fbd818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/9922bed7-bbff-4246-a837-64a6972fd2e9.png?resizew=215)
A.有且仅有一个![]() ![]() |
B.有且仅有两个![]() ![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() |
您最近一年使用:0次
2022-10-11更新
|
2322次组卷
|
6卷引用:湖北省云学新高考联盟学校2022-2023学年高二上学期10月联考数学试题
湖北省云学新高考联盟学校2022-2023学年高二上学期10月联考数学试题浙江省杭州学军中学2022-2023学年高二上学期期中模拟数学试题(已下线)专题06 一网打尽外接球与内切球问题(精讲精练)-32023年普通高等学校招生星云线上统一模拟考试Ⅰ数学试卷(已下线)模拟卷02广东省广州七中2023届高三上学期1月月考数学试题
解题方法
2 . 已知
为等腰直角三角形,
,其高
,
为线段
的中点,将
沿
折成大小为
的二面角,连接
,形成四面体
,动点
在
内(含边界),且
平面
,则在
变化的过程中( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9507dd1dcfad85bc1d17be95c7fba102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bc5d8308a060d6068cfc9f69fe79e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() |
B.![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
3 . 在棱长为2的正方体
中,
为
的中点,
点在线段
上,且满足
,其中
,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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c597ff77c65c5add6f50294e3eee9536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ff067a03dd7a7d1f0c8a8478e87be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee72261f6901e62dfd0ffe547406544.png)
A.以![]() ![]() ![]() ![]() |
B.若直线![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.过![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 如图,正方体
的棱长为1,点
是线段
的中点,点
是正方形
所在平面内一动点,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/2/27/2925315152584704/2926907634073600/STEM/0cf291b7-1347-48e7-be41-1b6b9740be63.png?resizew=239)
![](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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://img.xkw.com/dksih/QBM/2022/2/27/2925315152584704/2926907634073600/STEM/0cf291b7-1347-48e7-be41-1b6b9740be63.png?resizew=239)
A.若点![]() ![]() ![]() |
B.若点![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若点M到BC的距离与到![]() |
您最近一年使用:0次
2022-03-01更新
|
856次组卷
|
4卷引用:辽宁省沈阳市大东区2022届高三下学期质量监测数学试题
名校
5 . 如图1,在矩形
与菱形
中,
,
,
,
分别是
,
的中点.现沿
将菱形
折起,连接
,
,构成三棱柱
,如图2所示,若
,记平面
平面
,则( )
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/66b7b4d75a89494d80b15fba956f4073.png?resizew=158)
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/c3c21240789448b48b396eb70adfd673.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0041488020a3e19377b18a70fbf82e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c89f9fb5d1a84be8aee78dca23090d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5089d811caeed93dc3bcc108d122a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5214ffa82aa775edc14bf625edd54cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee618381a1176c3f1504cc059eb2010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23205fa9081ee5fe649093380d61640.png)
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/66b7b4d75a89494d80b15fba956f4073.png?resizew=158)
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/c3c21240789448b48b396eb70adfd673.png?resizew=158)
A.平面![]() ![]() | B.![]() |
C.直线![]() ![]() | D.四面体![]() ![]() |
您最近一年使用:0次
2021-11-05更新
|
1003次组卷
|
5卷引用:2022年全国著名重点中学领航高考冲刺试卷(一)数学试题
2022年全国著名重点中学领航高考冲刺试卷(一)数学试题(已下线)考点33 直线与平面所成的角【理】-备战2022年高考数学典型试题解读与变式(已下线)热点06 空间位置关系的判断与证明-2022年高考数学【热点·重点·难点】专练(全国通用)山东省青岛市青岛第五十八中学2021-2022学年高三上学期期中数学试题山东省青岛市青岛第十九中学2021-2022学年高三上学期期中数学试题
2021·全国·模拟预测
解题方法
6 . 如图,在棱长为2的正方体
中,O为正方体的中心,M为
的中点,F为侧面正方形
内一动点,且满足
平面
,则( )
![](https://img.xkw.com/dksih/QBM/2021/12/29/2882961875247104/2883161547997184/STEM/f172e385-1327-4521-850b-97b6d80bdde0.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ea211a573491409cb60f9fbe9a65cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a0a3bb566b5d2404e4bb823abddfa9.png)
![](https://img.xkw.com/dksih/QBM/2021/12/29/2882961875247104/2883161547997184/STEM/f172e385-1327-4521-850b-97b6d80bdde0.png?resizew=179)
A.若P为正方体表面上一点,则满足![]() ![]() |
B.动点F的轨迹是一条线段 |
C.三棱锥![]() |
D.若过A,M,![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次