名校
解题方法
1 .
中,BC边上的点D满足
,
,点G在三角形内,满足
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e4749d7c41abc0f5b8d1c441b647ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612d9156dc505c0fdc9640ebbe4f76be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147ab2d582e60bee6d81b27236e7288b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3f5457c71b8a0a8f276125184947b0.png)
您最近一年使用:0次
2023-04-01更新
|
638次组卷
|
4卷引用:湖北省荆州市公安县第三中学2022-2023学年高一下学期5月月考数学试题
湖北省荆州市公安县第三中学2022-2023学年高一下学期5月月考数学试题河南省郑州外国语学校2022-2023学年高一下学期第一次月考数学试题(已下线)高一数学下学期期中模拟试题01(平面向量、解三角形、复数、立体几何)(已下线)第五篇 向量与几何 专题13 奔驰定理 微点2 奔驰定理(二)
名校
2 . 已知平面上不共线的向量
的夹角两两相等,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4117ffe4f82ffa1327b3d5377d9250d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1af941655d4bba1edcf24d58c94adc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4117ffe4f82ffa1327b3d5377d9250d.png)
您最近一年使用:0次
3 . 在边长为3的等边三角形
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645ce289c7cd2c004a200cfe5372d36b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe51a2c12e6f14dea578d8adf9f81fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645ce289c7cd2c004a200cfe5372d36b.png)
您最近一年使用:0次
名校
解题方法
4 . 设向量
的夹角的余弦值为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b517d5fda1c7254dfb75e4ee033d1d9.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30d314a642667fef559032264647366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acf5309687ca2ef9e1e12287cd72a68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b517d5fda1c7254dfb75e4ee033d1d9.png)
您最近一年使用:0次
2022-12-08更新
|
698次组卷
|
2卷引用:湖北省部分优质重点高中2022-2023学年高三上学期12月联考数学试题
名校
解题方法
5 . 已知
的外接圆的圆心为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a27dc396251a4453094d19baa79816.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6f7e2e8997c0351814bc36cf4d75a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a27dc396251a4453094d19baa79816.png)
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2022-11-17更新
|
939次组卷
|
3卷引用:湖北省荆荆宜三校2022-2023学年高三上学期11月联考数学试题
名校
6 . 如图,在平行四边形
中,点
,
分别在
,
边上,且
,
,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d19e795e7c26b569a5ec100ac7fcdb8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0192c8bc48647ec635a1720311e18631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6565069f6da2523116c7d7ad2f8fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3bfb4b6bbae2e6c93986d136100479d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3ebbff4243c55956aaff429fae282f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ec24953de20381cadbe2e912244728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d19e795e7c26b569a5ec100ac7fcdb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/cd1f5e37-2f51-4124-8554-bba08c4f39fa.png?resizew=167)
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2022-10-19更新
|
849次组卷
|
8卷引用:湖北省恩施州巴东县第三高级中学2022-2023学年高二上学期第三次月考数学试题
名校
7 . 在
中,
,
,
,当
取得最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1039601edd7326b628a3201a3d4af948.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904489c31cdc50e3f4fdecc2bb213967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a98ea44daf06fc8b8c41614d388e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2128f4b3a3f361e49ec5c68b21c17711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1039601edd7326b628a3201a3d4af948.png)
您最近一年使用:0次
2022-05-07更新
|
557次组卷
|
4卷引用:湖北省武汉市第一中学2021-2022学年高一下学期5月月考数学试题
名校
解题方法
8 . 已知平面向量
,
,
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bc14e300835e56202525912647554b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ae0d7b3266f32b6a916b6237b6b838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf342e77c56e55a35bb1151bc215a3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bc14e300835e56202525912647554b.png)
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2022-04-07更新
|
509次组卷
|
2卷引用:湖北省荆州市公安县车胤中学2021-2022学年高一下学期3月月考数学试题
名校
解题方法
9 . 已知菱形ABCD的边长为2,
,点E是线段AB上的一点.且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0504f51063b6a270cbe75ec7f6c83fd.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dfb01ed6cac58f10345f2b26f6e262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0504f51063b6a270cbe75ec7f6c83fd.png)
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2022-02-13更新
|
1235次组卷
|
4卷引用:湖北省新高考联考协作体2022-2023学年高三下学期4月月考数学试题
名校
解题方法
10 . 在
中,
,
,若E点在BC边上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e53b516ec6280d1267cf36d613eaa9.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e54071a8df06f3b7ca62cb99c1c9d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104cacf19f1897c6c86d24c5fe8cb991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e53b516ec6280d1267cf36d613eaa9.png)
您最近一年使用:0次
2022-01-25更新
|
940次组卷
|
5卷引用:湖北省恩施州清江外国语学校2022-2023学年高一下学期3月测试数学试题
湖北省恩施州清江外国语学校2022-2023学年高一下学期3月测试数学试题重庆市南坪中学校2021-2022学年高一下学期第一次月考数学试题浙江省台州市椒江区书生中学2022-2023学年高一下学期3月月考数学模拟试题四川省广安市2021-2022学年高一上学期期末数学试题(已下线)第6章 平面向量及其应用(基础30题专练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)