名校
解题方法
1 . 八卦是中国文化的基本哲学概念,如图1船八卦模型图,其平面图形记为图2中的正八边形
,其中
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17d4a6cf11cda87b3dfafaecdec683f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6634ccc2457dec1ce68b24c97fd23f47.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-07-31更新
|
647次组卷
|
5卷引用:广东省茂名市高州市石鼓中学2023-2024学年高一下学期第一次校际联考数学试卷
广东省茂名市高州市石鼓中学2023-2024学年高一下学期第一次校际联考数学试卷宁夏银川市贺兰县第二高级中学2022-2023学年高一下学期期末数学试题广东省潮州市松昌中学2023-2024学年高一下学期期中考试数学试题(已下线)第二章平面向量及其应用章末综合检测卷(新题型)-【帮课堂】(北师大版2019必修第二册)(已下线)第一篇 “必拿”选择前5填空前2 专题12 平面向量的基本运算【练】
解题方法
2 . 下列关于向量的命题,正确的有( )
A.若![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.对任一向量![]() ![]() |
D.对于任意两个向量![]() ![]() ![]() |
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解题方法
3 . 已知不共线的两个平面向量
,
满足
,
.
(1)若
与
的夹角
,求
的值;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa3610a990287d3ac756abae406540d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e405db6c09d6ab5739cabbb63cd3b3bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e186ebc624ebacde9a03b96289f1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af88a7628c71d642d3a6df067c15f5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5411ec000cd85163c98dc9dcf15446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
4 . 已知
是边长为
的等边三角形,
是边
上的动点,
是边
的中点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d15a41b93b2ad4d41e6be69561e0403.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-06-19更新
|
676次组卷
|
4卷引用:广东省茂名市华南师范大学附属茂名滨海学校2023-2024学年高一下学期期中考试数学试题
解题方法
5 . (1)已知
,
,若
,求实数
的值.
(2)已知平面向量
,
满足:
,
,
,求
与
的夹角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6133d7eb67b122fe70935814200bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58e12bb852f761a3695e1b4acffd097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4822a9ac678be3d9909a4b8d0f33ac21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)已知平面向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787379f7ff8d24be7eebfea1cfe956d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff265969988f1f138700129e5d7a6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01fa95f058fedf01e4fb1d98b9733152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2023-06-18更新
|
237次组卷
|
2卷引用:广东省茂名市2022-2023学年高一下学期期中数学试题
名校
解题方法
6 . 在
中,角
的对边分别为
,且
的面积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e203518e337b4c9eed6b5cc61d2fc3.png)
(1)求角
的大小;
(2)若
是
的一条中线,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e203518e337b4c9eed6b5cc61d2fc3.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc70e217d740a6c85da03e9e33c0542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
2023-05-12更新
|
628次组卷
|
7卷引用:广东省茂名市高新中学2023-2024学年高一下学期期中测试数学试卷
名校
7 . 已知平面向量
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1375db9fc434c2a3170daf990758d36b.png)
A.![]() | B.![]() |
C.![]() | D.向量![]() ![]() ![]() |
您最近一年使用:0次
2023-05-05更新
|
1210次组卷
|
3卷引用:广东省茂名市第一中学2022-2023学年高一下学期期中数学试题
解题方法
8 . 已知等边
的边长为6,平面内一点
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b0073fed28fd0caeade3216a5a5b2a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09840162c56df43baaeaf7e7761956c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b0073fed28fd0caeade3216a5a5b2a.png)
您最近一年使用:0次
名校
9 . 已知平面向量
,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2499020f5de4e68d493c4cad02d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e856f5e6ea836300bbb722487e4d322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db0f7c2997e89bb727b843070802a2a.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-04-12更新
|
1968次组卷
|
8卷引用:广东省茂名市2022-2023学年高一下学期期中数学试题
名校
10 . 已知
,
,
.
(1)求
与
的夹角;
(2)若
,求实数
的值;
(3)设
,
,若
与
共线,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404067afb19bd74f447a6c0c832af1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53249bdba1a7349dc189a995c51ab1ce.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89c6ceee3dbd6ef94804dd22dc8d077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d2bec6a184d15cdfbe5a7e02c0bae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d1945c2ae081496a1e37227f942582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b76118bdca6c463cfb19b66f30281c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-03-20更新
|
941次组卷
|
2卷引用:广东省茂名市电白区第一中学2023-2024学年高一下学期4月月考数学试题