名校
1 . 正方体
的棱长为1,点P是
内不包括边界的动点,若
,则线段AP长度的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de60f6ffd5ab327d4cfe32d26d95da70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e1de129bfc451f4c7160cc50666ad8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/73e405f4-7977-479b-b2f9-8e6a26dd00b9.png?resizew=170)
您最近一年使用:0次
2022-11-30更新
|
1036次组卷
|
4卷引用:辽宁省实验中学2022-2023学年高二上学期第二次阶段测试数学试题
解题方法
2 . 如图,在梯形ABCD中,
,
,
,
,将
沿对角线BD折起,设折起后点
的位置为
,并且平面
平面BCD.则下面四个命题中正确的是______ .(把正确命题的序号都填上)
①
;②三棱锥
的体积为
;③
;④平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5679a74e9f5506266ab627894ab03243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386c7de62e8f9a8161ebaefe6b4ec35e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe052786101dfcc941480919eb2cecc.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95b78d94be9cf126522b58204b320bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb4c6e9a723aa843e6ba62d7c1a3a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97eea5144ef3750d3b75c86a008319aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d138354c4e021ac8ae2a2fb176ca14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8c968d4a1798957d5134b45f5049d0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/c2c25ad4-4d3a-419b-a3a4-57b0c220b229.png?resizew=312)
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3 . 如图所示,在直角梯形
中,
,
,
,
,
,边
上一点
满足
.现将
沿
折起到
的位置,使平面
平面
,如图所示,则异面直线
与
的距离是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d730ae4307db56b47849c3a19dedfb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82773737609e65dea3c5c67099f1b10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdfe7976bd3f16bfef5c6f1b4f20f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44c1843ff6150ebc6aad3e34e477d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/31cc5da3-2ec9-40e1-96b7-3295ef494273.png?resizew=314)
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2022-11-29更新
|
262次组卷
|
6卷引用:上海市闵行第三中学2022-2023学年高二上学期10月月考数学试题
上海市闵行第三中学2022-2023学年高二上学期10月月考数学试题第13章《立体几何初步》单元达标高分突破必刷卷(培优版)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)(已下线)第10章 空间直线与平面 单元综合检测(重点)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)(已下线)10.5 异面直线间的距离(六大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)(已下线)专题05异面直线间的距离(1个知识点4种题型1种高考考法)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(沪教版2020必修第三册)(已下线)第10章 空间直线与平面(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(沪教版2020必修第三册)
4 . 已知空间四边形
的各边长及对角线
的长度均为6,平面
平面
,则空间四边形
外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2022-11-25更新
|
478次组卷
|
4卷引用:广西柳州市民族高中2023届高三上学期11月模拟统考数学(文)试题
广西柳州市民族高中2023届高三上学期11月模拟统考数学(文)试题6.6 简单几何体的再认识 同步课时训练-2022-2023学年高一下学期数学北师大版2019必修第二册(已下线)第34讲 空间几何体外接球问题10种题型总结(2)(已下线)专题11 与球有关的切接问题综合(2) - 期中期末考点大串讲
解题方法
5 . 等边三角形
边长为
,
平面
且
,则点
到
边的距离为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a07dc06beb26d584acc6e49723ab865b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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解题方法
6 . 如图,已知四面体
,
和
是边长为2的正三角形,
,
是该四面体表面及其内部的动点.若
,
,则点
轨迹的长度为______ ;若
在
内(含边界)且
,则点
轨迹的长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18120a244d3a1f9c1688bf53eb2ad775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e4d19bf237a6fca67e0d01a9ddb726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed66431681da1db8f7cb0f40cd19201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a15a004f7d47ed595f063e60075223a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/cdaf4622-4033-4371-acee-eac803a1bfba.png?resizew=157)
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2022-11-23更新
|
440次组卷
|
2卷引用:辽宁省名校联盟2022-2023学年高三上学期11月份联合考试数学试题
名校
7 . 如图,已知四棱锥
的底面是边长为2的菱形,且
,
,
平面ABCD,F,O分别是PA,BD的中点,E是线段PB上的动点,给出下列四个结论:
①
;②
;③直线PO与底面ABCD所成角的正弦值为
;④
面积的取值范围是
.______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d4f1b71eb0a8d8211757ec96d0d7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4c15fb8fc3239d45bd4e7d8971f58e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8066f2f5e880d2217bc7f576920aaf69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45978875144e212f1ca6fa4a77ad648c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80651f797ab9dccfd7163c605b091ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac97e7582374a782ceb4c5a95cbc8ffe.png)
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解题方法
8 . 如图,在正方体ABCD﹣A1B1C1D1中,AB=2,则直线AA1到平面BB1D1D的距离为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/1c04097b-67ad-4801-82bd-c8417b6e4560.png?resizew=143)
您最近一年使用:0次
2022-11-21更新
|
367次组卷
|
6卷引用:第01讲 空间直线与平面(核心考点讲与练)(2)
(已下线)第01讲 空间直线与平面(核心考点讲与练)(2)(已下线)上海高二上学期期中【夯实基础60题考点专练】(2)上海市华东师范大学附属枫泾中学2021-2022学年高二上学期期中数学试题(已下线)第八章立体几何初步章末题型大总结(精讲)(3)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)8.6.2 直线与平面垂直(精讲)上海市上南中学2023-2024学年高二上学期期中数学试题
名校
解题方法
9 . 在三棱锥
中,
,
,
,
的中点为
,
的余弦值是
,若
都在同一球面上,则该球的表面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4957406b21df59fdf7fa184752287b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b344bf2862a7ee1aeb11ed73cfcf86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2294c51672a3254908c895515da6b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523bdb05d8e5de2a84ccedb6db738037.png)
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