名校
1 . 如图,二面角的度数为
,其棱上有两点
、
,线段
、
分别在这个二面角的两个面内,并且都垂直于棱
,若
,
,则线段
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0a722495dba6c151dba8bd0eb74cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/91a8eea2-d763-4809-8c95-36e75a199159.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-29更新
|
776次组卷
|
5卷引用:6.1 空间向量及其运算(5)
(已下线)6.1 空间向量及其运算(5)山东省济宁市兖州区2023-2024学年高二上学期期中考试数学试题(已下线)模块三 专题2 小题进阶提升(4) 期末终极研习室(高二人教A版)(已下线)专题03 空间向量数量积的应用(期末选择题3)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)辽宁省沈阳市新民市第一高级中学2023-2024学年高二下学期第一次月考数学试题
解题方法
2 . 已知空间向量
.
(1)若
,且
,求
的坐标;
(2)若
,且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a2786e854820f9478c7e87b91691f2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d2cd576db6f49273ae6c59f3652cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3e7ae218ab85b4f12f90ee090676cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
您最近一年使用:0次
3 . 已知正方体
的棱长为
,点
在线段
上(不含端点).若
是锐角,则线段
长度的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbf1667b21a273bf5dd007d65eeda7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
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名校
解题方法
4 . 在空间直角坐标系中,若一条直线经过点
,且以向量
为方向向量,则这条直线可以用方程
来表示,已知直线
的方程为
,则点
到直线
的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9f353152c7f589c0caf5f964f803ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1478772289dd81bd9832406c279c3d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f0582d9908f92f14cb02a6ccaf0eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af635ff7733d8748bcdf528cc08c623d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6fdaafebd24dd0b9a4a6d891a0c42ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
5 . 在正三棱锥
中,
是
的中心,
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a1bf1781683d2bff001a1a5f6fdfd1.png)
您最近一年使用:0次
6 . 空间直角坐标系中,已知
,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4098582bf9572f219d7a7d1f30562d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e858a2c885171cda2a819bec84dd4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0582deaf3c00a7dadbf9bcdb5ee3556b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a0ae99e1f6d8c18759eddb00c9dc2e.png)
A.![]() |
B.![]() |
C.与![]() ![]() |
D.![]() |
您最近一年使用:0次
2023-11-25更新
|
160次组卷
|
3卷引用:6.2 空间向量的坐标表示(3)
(已下线)6.2 空间向量的坐标表示(3)山东省普高大联考2023-2024学年高二上学期11月期中联合质量测评数学试卷山东省聊城市临清市实验高级中学2023-2024学年高二上学期12月月考数学试题
7 . 已知
,
,求
(1)
;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a122bd8522edd25181766122b0ba557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057f57c7f0234c700205f04e094387e4.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c5faf8fe34d25fd89a828bb4d43172.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b8e1c412968c6aceb3a77e67864924.png)
您最近一年使用:0次
解题方法
8 . 如图,四面体OABC各棱的棱长都是1,
是
的中点,
是
的中点,记
.
(1)用向量
表示向量
;
(2)利用向量法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352afb2166bc2d282d55bd7bba4388e7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/69f241eb-bce4-4006-b7c2-d6b3c14f35f7.png?resizew=165)
(1)用向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46fddc1f1c50aab4de7fff286d691b97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21909dd065ccc349a2cbfd4c3cf4976b.png)
(2)利用向量法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/178e3fa2e4de57a4c067e79be7d798e7.png)
您最近一年使用:0次
2023-11-23更新
|
207次组卷
|
3卷引用:6.1 空间向量及其运算(4)
9 . 已知空间的一组基
,则可以与向量
,
构成空间的另一组基的向量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b3128947318e5884fd8d29226cd9d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c0a22d1a4054b5c58913da442f0e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b619e1de68c6c5ef1d05d3b2f4a774.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知正三棱台
中,
,
,
、
分别为
、
的中点.
(1)求该正三棱台的表面积;
(2)求证:
平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5825e3891ce507d4af2e0d9d1a0b74b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/816f0559-5515-4880-98dc-f2a85b6ee195.png?resizew=160)
(1)求该正三棱台的表面积;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
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