名校
解题方法
1 . 在棱长为2的正方体
中,
为棱
的中点,以点
为球心,
为直径的球的球面记为
,则直线
被
截得的线段长为__________ .
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
您最近一年使用:0次
2023-02-04更新
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192次组卷
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3卷引用:贵州省黔东南州榕江县第一中学2022-2023学年高二上学期开学考试数学试题
贵州省黔东南州榕江县第一中学2022-2023学年高二上学期开学考试数学试题河南省豫北名校2021-2022学年高一年级4月期中考试数学试题(已下线)核心考点08空间直线、平面的垂直-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)
名校
解题方法
2 . 如图,在四棱锥
中,四边形
是矩形,
分别为
的中点,平面
平面
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
平面
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19935e386ac54c8257a4b9ea0bd9d7a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aeee5320aae7818cd11c84cc632642f.png)
您最近一年使用:0次
2023-01-06更新
|
439次组卷
|
6卷引用:贵州省黔东南州榕江县第一中学2022-2023学年高二上学期开学考试数学试题
贵州省黔东南州榕江县第一中学2022-2023学年高二上学期开学考试数学试题广西平果市第二中学2021-2022学年高一下学期期中考试数学试题(已下线)专题强化三 直线、平面的平行和垂直问题-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(人教A版2019必修第二册)(已下线)期末复习07 空间几何线面、面面垂直-期末专项复习甘肃省临洮中学2022-2023学年高一下学期第二次月考数学试题山西省朔州市怀仁市第一中学校等校2022-2023学年高一下学期第三次月考数学试题
解题方法
3 . 如图1,在梯形
中,
,
,
,
,
,
为
的中点,将
沿
折起到
的位置(如图2),连接
,
,
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/aaf53ad6-df37-437f-8798-cb8b93ce29be.png?resizew=381)
(1)证明:
平面
;
(2)若
,平面
交直线
于点
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e0b7d845cbceccd3e76ca461fcc534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a466276f3b4a9a59addcaa6f68b6a850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0c25b0cde4d101058efe70766d25cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96bcaab1157f577919c7abc73a66ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30f457418e6a7e21f0ed0bf490a3709c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/aaf53ad6-df37-437f-8798-cb8b93ce29be.png?resizew=381)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a20ea69475dcf57a5ff18c13eceaaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83efd6afec2f73c52e4b027a12d9f817.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364d6c88726d8c3bb8ed297057332bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395de6d5d6b0073af625ae32a4abf9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
4 . 如图,在正方体
中,
,
,
,
分别为
,
,
,
的中点,
为棱
上一点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/f4979c64-e26b-4b43-8592-0df11e910099.png?resizew=176)
![](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/a0ed1ec316bc54c37c4286c208f55667.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/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/f4979c64-e26b-4b43-8592-0df11e910099.png?resizew=176)
A.直线![]() ![]() |
B.直线![]() ![]() ![]() |
C.三棱锥![]() ![]() |
D.存在点![]() ![]() ![]() |
您最近一年使用:0次
5 . 下列命题中,正确的有( )
①如果两条相交直线和另两条相交直线分别平行.那么这两组直线所成的锐角(或直角)相等;
②如果一个角的两边和另一个角的两边分别垂直,那么这两个角相等或互补;
③如果两条直线同时平行于第三条直线,那么这两条直线互相平行.
①如果两条相交直线和另两条相交直线分别平行.那么这两组直线所成的锐角(或直角)相等;
②如果一个角的两边和另一个角的两边分别垂直,那么这两个角相等或互补;
③如果两条直线同时平行于第三条直线,那么这两条直线互相平行.
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
6 . 在正方体
中,棱长为1,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6432ea1b0888df3651f7a14c61373524.png)
A.0 | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
2022-09-13更新
|
1221次组卷
|
3卷引用:贵州省黔南州罗甸县第一中学2022-2023学年高二上学期开学入学考数学试题
解题方法
7 . 某四棱锥的三视图如图所示,则该几何体的外接球半径是( )
![](https://img.xkw.com/dksih/QBM/2022/8/18/3047343968944128/3051316108419072/STEM/30c4da54eaf242bab9c32ea4785868c6.png?resizew=302)
![](https://img.xkw.com/dksih/QBM/2022/8/18/3047343968944128/3051316108419072/STEM/30c4da54eaf242bab9c32ea4785868c6.png?resizew=302)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
2022-08-24更新
|
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|
2卷引用:贵州省贵阳市贵阳乐湾国际试验学校2023届高三上学期开学考数学(理)试题
8 . 如图,在直四棱柱
中,四边形
是菱形,
分别是棱
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/1bd4ce80-71dd-4eca-ad91-cd2879f0871b.png?resizew=202)
(1)证明:平面
平面
.
(2)若
,
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a373959bb9026f8a09845c0b828bf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/1bd4ce80-71dd-4eca-ad91-cd2879f0871b.png?resizew=202)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6501f1c913a4ef64957a2f01ab5baa15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2e84d6e368f8368f8301c4cd66d6dd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95196d4658088f565e495c005cfed5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e57c789cfd4b0be7dbf63aa99435656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
您最近一年使用:0次
2022-08-23更新
|
446次组卷
|
4卷引用:贵州省2023届高三上学期开学联合考试数学(文)试题
解题方法
9 . 在正方体
中,E是棱BC的中点,F在棱
上,且
,O是正方形ABCD的中心,则异面直线
与EF所成角的余弦值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d5236bd2ed256145a66e598fc55f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc526324e78e4d9226d1b537f27845a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-08-23更新
|
404次组卷
|
3卷引用:贵州省2023届高三上学期开学联合考试数学(文)试题
解题方法
10 . 已知三棱锥
的四个顶点均在体积为
的球面上,
,
,则三棱锥
的体积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16768ba0c15a45c0652cc3546a111802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e240a6378adf6d23ebf9cc710c9bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-08-22更新
|
491次组卷
|
2卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题