名校
解题方法
1 . 如图,在棱长为3的正方体
中,点M,N分别为棱AB,
上的点,且
,点P是正方体
表面上的一点,若
平面
,则点P的轨迹长度为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f6915161f031acb190ef16044d76b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c90f59d3a81e2176da7750e5b159c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25374d5d05deee8fb03de34a9d5cbbe.png)
您最近一年使用:0次
名校
2 . 如图,在长方体
中,
,
,
为
的中点,过
的平面
分别与棱
,
交于点E,F,且
,则截面四边形
的面积为______ .
![](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/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8352d5bb010209b795946f7095418115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d918361b03a48660dbd5987cd7a7a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/9/166533d4-7d83-4174-867d-430aa79fbd6f.png?resizew=143)
您最近一年使用:0次
2023-08-07更新
|
899次组卷
|
4卷引用:山西省晋中市平遥县第二中学校2022-2023学年高一下学期期中数学试题
山西省晋中市平遥县第二中学校2022-2023学年高一下学期期中数学试题(已下线)第七章 立体几何与空间向量 第三节?第一课时直线,平面平行的判定与性质(A素养养成卷)江西省赣州市第四中学2023-2024学年高二上学期开学考试数学试题(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)
解题方法
3 . 如图,在一个圆锥中,D为圆锥的顶点,O为圆锥底面圆的圆心,P为线段DO的中点,AE为底面圆的直径,△ABC是底面圆的内接正三角形,
,则下列说法正确的是___________ .(填序号)
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987895386898432/2989966502117376/STEM/40330c97-16b2-49cb-8a0c-b28404a5bace.png?resizew=219)
①此圆锥的体积为
;
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
平面PAC;
③PA⊥平面PBC;
④在圆锥侧面上,点A到DB中点的最短距离为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ea4bd288944d3ba3d6a319de869dce.png)
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987895386898432/2989966502117376/STEM/40330c97-16b2-49cb-8a0c-b28404a5bace.png?resizew=219)
①此圆锥的体积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef43297048597d1a77b729246a56e076.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
③PA⊥平面PBC;
④在圆锥侧面上,点A到DB中点的最短距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
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
,
是棱
的动点,则下列说法正确的有_________ .
①
为
的中点时,直线
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
②三棱锥
的体积为定值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24396cb91a5919edf0594a0b1d6f4a00.png)
③
为
的中点时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a39945178df29b465fc4edc78b9b34.png)
④
为
的中点时,直线
与平面
所成的角正切值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
①
![](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/77e64cd7d049fd830287a6fb6b3a5870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
②三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d9afa28d00f88cfa342fb72ee85c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24396cb91a5919edf0594a0b1d6f4a00.png)
③
![](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/94a39945178df29b465fc4edc78b9b34.png)
④
![](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/7f1158eaa2e338f564eb18de5bef1d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986080986619904/2987039849865216/STEM/4f9f1213caba4d02afe6f234aeffd312.png?resizew=151)
您最近一年使用:0次
名校
解题方法
5 . 已知棱长为2的正方体
内接于球
,点
是正方体一条棱(
除外)的中点.若正方体的所有棱中,与平面
平行的恰有三条,则点
到平面
的距离为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9440cab58902777821fd615db9d34131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9440cab58902777821fd615db9d34131.png)
您最近一年使用:0次
解题方法
6 . 在斜三棱柱
中,点
,
分别为
,
上的点,若平面
平面
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8228b61810f3d48ab3bb118d0e6a07c6.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf345b86a78e5d8eba3bde4bae43774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8228b61810f3d48ab3bb118d0e6a07c6.png)
您最近一年使用:0次
7 . 已知六棱锥
的底面是正六边形,
平面
,
.则下列命题中正确的有_____.(填序号)
①PB⊥AD;
②平面PAB⊥平面PAE;
③BC∥平面PAE;
④直线PD与平面ABC所成的角为45°.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b7838a53d0b3ed4565fb6a890f365d.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/9801cabc43c024b9c5fac34b7db5d69b.png)
①PB⊥AD;
②平面PAB⊥平面PAE;
③BC∥平面PAE;
④直线PD与平面ABC所成的角为45°.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/a50b218d-7856-404b-8c80-14f185da6693.png?resizew=175)
您最近一年使用:0次
2019-09-19更新
|
638次组卷
|
6卷引用:山西省晋中市平遥县第二中学校2021-2022学年高一下学期期末数学试题
山西省晋中市平遥县第二中学校2021-2022学年高一下学期期末数学试题(已下线)2013-2014学年河北省承德市联校高一下学期期末考试数学试卷黑龙江省双鸭山市第一中学2018-2019学年高一下学期期末数学(文)试题(已下线)8.6.3 第1课时 平面与平面垂直(分层练习)-2020-2021学年高一数学新教材配套练习(人教A版2019必修第二册)人教A版(2019) 必修第二册 突围者 第八章 第六节 课时3 平面与平面垂直2015-2016学年安徽省淮南市高二上学期期末文科数学试卷