1 . 在
中,
,动点M满足
,则直线AM一定经过
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846071242f981289741ad19f4e7190cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9349e575399ce506e478eb8ae393c772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.垂心 | B.内心 | C.外心 | D.重心 |
您最近一年使用:0次
2021-09-04更新
|
724次组卷
|
8卷引用:安徽省马鞍山市2020-2021学年高一下学期联考数学试题
安徽省马鞍山市2020-2021学年高一下学期联考数学试题云南省南涧县第一中学2020-2021学年高一4月月考数学试题(已下线)知识点 平面向量的应用举例 易错点1 三角形的“四心”的概念混淆不清(已下线)专题13 平面向量(选填题)-2(已下线)6.4.1-6.4.2 平面几何中的向量方法和向量在物理中的应用举例(分层练习)-同步精品课堂(已下线)重难点01平面向量的实际应用与新定义(1)(已下线)第6.4.1讲 平面几何中的向量方法-2023-2024学年新高一数学同步精讲精练宝典(人教A版2019必修第二册)(已下线)【练】 专题六 平面向量与三角形四心问题(压轴大全)
解题方法
2 . 已知
的重心为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd715c1d63ca30353bce9b2d9ccf168.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/ac51bffb8f476896081027b33f7ec25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd715c1d63ca30353bce9b2d9ccf168.png)
您最近一年使用:0次
3 . 如图,在平面直角坐标系
中,
,
,
.
,点
的坐标;
(2)求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab135be30075cf115fc94861b0751fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5568c088c7952c658d5f2475ccae40b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb89b197475b41024f672f97fdb8b5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
您最近一年使用:0次
4 . 已知
,
为
中不同的两点,若
,
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df030fbcdd78e87cbd12435bab94ddb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0933795ff20aced4f8e1122fa87f2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc43fc4aece798cb5557e96393c910e1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知
,线段
与线段
交于点
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da1bd493f0c2735c7cb638336b632e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17821497d9d1875381a29a3ec48c2612.png)
A.4 | B.![]() | C.![]() | D.5 |
您最近一年使用:0次
6 . 如图,四边形
是正方形,以
为直径作半圆
(其中
是
的中点),若动点
从点
出发,按如下路线运动:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/9e256d49-d69d-4e61-925c-5baf0e2f3db2.png?resizew=172)
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dee47a58c48cd03991963a9441112a6.png)
,则下列判断中:
①不存在点
使
;
②满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
的点
有两个;
③
的最大值为3;
④ 若满足
的点
不少于两个,则
.
正确判断的序号是____ .(请写出所有正确判断的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823f4e614dd9290178c2b9c9fd2460a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/9e256d49-d69d-4e61-925c-5baf0e2f3db2.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccca4d2716a564dd1f5e45ef4677c233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dee47a58c48cd03991963a9441112a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd12f21a8a954b63175fad260510bc4.png)
①不存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096acdd2d0ce16e1e45397ec5e365d4.png)
②满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0204f76cda5ea4ced714588be1efeaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
④ 若满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f43d4ea94af0d0aa04e48d63b66b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096acdd2d0ce16e1e45397ec5e365d4.png)
正确判断的序号是
您最近一年使用:0次
2013·安徽马鞍山·三模
解题方法
7 . 在△ABC中,已知
与
的夹角为150°,
,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fe2d802f2b37e7db198c5a3c1df9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1da92a2fc2ce861e82f7192fe4e648f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c452e3eef88c7be0f35d693cb90a0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a82652fe81f3a2a0aae2ece0f50b30.png)
您最近一年使用:0次
2016-12-02更新
|
1032次组卷
|
5卷引用:2013届安徽省马鞍山高三三模理科数学试卷