1 .
的内角
,
,
的对边分别为
,
,
,面积为
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ba8e2925faaf4a8419a93d756d92d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
您最近一年使用:0次
2022-04-29更新
|
514次组卷
|
3卷引用:江西省名校2022届高三5月模拟冲刺数学(理)试题
名校
解题方法
2 . 已知△ABC的A,B,C所对这分别的a,b,c.若
,
,且△ABC的面积是
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf623a808eaaef1acef2bd44d92d34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36ede13bb209e2bd74a5a276dfd6ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
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2022-04-28更新
|
1120次组卷
|
4卷引用:江西省临川第一中学2022-2023学年高二上学期期中质量监测数学试题
解题方法
3 . 在△ABC中,角A,B,C所对的边分别为a,b,c,其中a=3,
,则△ABC的面积与周长之比的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee70f730b4554895c1c81e9ea5ab1f8e.png)
您最近一年使用:0次
4 . 已知等腰三角形ABC的面积为2,其中AB⊥AC,点O,M,N分别在线段BC,AB,AC上,AO⊥BC且
,当点M,N在对应线段上运动时(含端点位置),
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad737cc531c7af1fe36eba567e5d2e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de7abc1c27897e27c4e3086f2bb6d8f.png)
您最近一年使用:0次
2022-04-27更新
|
923次组卷
|
4卷引用:江西省2022届高三二轮复习验收考试数学(文)试题
江西省2022届高三二轮复习验收考试数学(文)试题(已下线)文科数学-2022年高考考前20天终极冲刺攻略(二)广东省深圳市华侨城中学2023届高三上学期9月月考数学试题(已下线)专题12 盘点解三角形中最值问题的四种方法-1
名校
5 . 已知在四边形
中,
,
,
,且
,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e0c5cb53fd85b7a23f0580df6bb49a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df049f15adb6667113ceee3a6638cd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5f58d0919b618868df14add12c59ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f71211e891243960e8620d78ce78e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa75042a1b71b01f96b68f17aa5893a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
您最近一年使用:0次
解题方法
6 .
中,角
的对边分别为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
________ .
![](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/3003380b7dbb373d11e8f8e20556b4ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
解题方法
7 . 在
中,内角A,B,C的对边分别为a,b,c,且满足
,则最大内角的余弦值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bd849d409ea630b024a8550d400029.png)
您最近一年使用:0次
名校
解题方法
8 . 设
分别是双曲线
的左,右焦点,点
在双曲线右支上且满足
,双曲线的渐近线方程为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5030f2df0a83ebf04f8ef2d320cabdff.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093bec291d374725e9e4810847568a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89660e2952ffddf45e265db856f69ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5030f2df0a83ebf04f8ef2d320cabdff.png)
您最近一年使用:0次
2022-04-22更新
|
472次组卷
|
2卷引用:江西省赣州市十六县(市)十九校2021-2022学年高二下学期期中考试数学(文)试题
9 . 已知轮船A和轮船B同时离开C岛,A船沿北偏东30°的方向航行,B船沿正北方向航行(如图).若A船的航行速度为30n mile/h,1小时后,B船测得A船位于B船的北偏东45°的方向上,则此时A,B两船相距______ n mile.
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962148770152448/2962884997668864/STEM/841ea7c1-b9da-4d8a-b3d4-813a58a53c26.png?resizew=114)
您最近一年使用:0次
2022-04-21更新
|
552次组卷
|
3卷引用:江西省赣州市十六县(市)十九校2021-2022学年高一下学期期中联考数学试题
江西省赣州市十六县(市)十九校2021-2022学年高一下学期期中联考数学试题广东省深圳市人大附中深圳学校2022-2023学年高一下学期期中数学试题(已下线)期中测试卷01--《重难点题型·高分突破》(人教A版2019必修第二册)
名校
解题方法
10 . 如图所示,在平面四边形ABCD中,若
,
,
,
,则△ABC的面积的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5ce720a5ed049ee885e6a05d3f60a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b850b6c714abe0d117eae47783230b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/9/57c1607e-45cb-4e36-acda-dc3395f0c203.png?resizew=210)
您最近一年使用:0次
2022-04-19更新
|
412次组卷
|
3卷引用:江西省宜春市上高二中2021-2022学年高一4月第七次月考数学试题