解题方法
1 . 设O是
的外心,满足
,
,若
,则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e680aa0fadf7bd6fbbb2c8ef3b145436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a14e0823e3083ee73d374700835dfdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d2eaa04baa8a4708999c2d3d541580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.2 | B.1 | C.8 | D.4 |
您最近一年使用:0次
名校
解题方法
2 . 如图所示, 边长为 1的正 , 以
的中点
为圆心,
为直径在点
的另一侧作半圆弧
, 点
在圆弧上运动, 则
的取值范围( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-07-13更新
|
782次组卷
|
4卷引用:湖北省恩施州四校联盟2022-2023学年高一下学期期末联考数学试题
湖北省恩施州四校联盟2022-2023学年高一下学期期末联考数学试题湖北省恩施州高中教育联盟2022-2023学年高一下学期期末数学试题(已下线)第02讲 平面向量的运算-【寒假预科讲义】(人教A版2019必修第一册)(已下线)专题突破:向量的最值与范围问题-同步题型分类归纳讲与练(人教A版2019必修第二册)
解题方法
3 . 如图,在
中,
,
,
,点
,
分别在边
,
上,且
,
,
与
交于点
.
,
,试用
,
表示
;
(2)求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55cb1becd07f648b8fe9ea15b6f0c294.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b6bef27de230acad352f25e954f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a93d5b1395e1156f5505f9c47120781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b36392ec1e9dbab87d66059be35ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8f1336ac2ff3658955b807eb0a27a0.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/0735144f6e24b6b32028ff14c17c1cec.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
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2023-07-09更新
|
398次组卷
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5卷引用:湖北省黄冈、黄石、鄂州三市2022-2023学年高一下学期期末联考数学试题
湖北省黄冈、黄石、鄂州三市2022-2023学年高一下学期期末联考数学试题(已下线)6.4.1 平面几何中的向量方法-同步精品课堂(人教A版2019必修第二册)(已下线)模块一 专题3 平面向量的应用(B)(已下线)模块一专题3 《平面向量的应用》B提升卷(苏教版)【人教A版(2019)】专题08解三角形(第一部分)-高一下学期名校期末好题汇编
名校
4 . 已知
为
的内心,且满足
,若
内切圆半径为2,则其外接圆半径的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637af8065d7023d0c06340aa8ce096cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.3 | C.![]() | D.4 |
您最近一年使用:0次
解题方法
5 . 已知
为
的外心,且
.若向量
在向量
上的投影向量为
,其中
,则
的取值范围为__________ .
![](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/25bcd6d31690299eb1c2fe48210d237d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083a20abb668d4c26fe5039bd108b40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89265cbe3abc6b966ce8967fead448b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2b0184669133688a48e710f4062ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1896a68eb9ac9b8456b5be7e64924fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4444247d28935239ed05d0e9a1adb0a3.png)
您最近一年使用:0次
2023-06-28更新
|
234次组卷
|
3卷引用:湖北省十堰市2022-2023学年高一下学期期末数学试题
名校
6 . 如图,在梯形
中,
且
为以
为圆心,
为半径的
圆弧上的一动点,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e487a17de7a6c49c271f978c6ee684d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4d6a75a600b791eeb584ba70e1e055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b5c7ffcfde51e667dc8adaf1002060.png)
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2023-04-19更新
|
1238次组卷
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4卷引用:湖北省武汉市华中师范大学第一附属中学2022-2023学年高一下学期学业水平质量评价检测数学试题
名校
解题方法
7 . 设
是双曲线
的右焦点,
为坐标原点,过
作
的一条渐近线的垂线,垂足为
,若
的内切圆与
轴切于点
,且
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d028cebfbc0e84421b3fcfd09b1fa26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef33e51a9480df96a51b8864b4315096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-12-03更新
|
960次组卷
|
4卷引用:湖北省武汉市江岸区2022-2023学年高二上学期期末数学试题