名校
解题方法
1 . 已知
的内角
所对的边分别
,角
.若AM是
的平分线,交BC于M,且
,则
的最小值为______________ .
![](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/4cfb4357df4f3f8eb661bcf4af28447f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e3432d20e661779ddcefda76afcc2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db43ac632002150a383e38ab552e323d.png)
您最近一年使用:0次
2023-07-25更新
|
483次组卷
|
2卷引用:重庆市江津中学校等七校2022-2023学年高一下学期期末联考数学试题
2 . 在
,
,
的面积为
,则
=___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2e15c395b25efe38680275b255559b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81889060e8e6300a610be21f47499786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
解题方法
3 . 已知对任意角
,
均有公式
.设
的内角A,B,C满足
.面积S满足
.记a,b,c分别为A,B,C所对的边,则abc的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2525a29cf694eff817bc2d1e613939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2af4582d813f9d5e426bf1b1613d973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13d4d91046d6cef4258c09c40c8567f.png)
您最近一年使用:0次
2023-04-01更新
|
317次组卷
|
2卷引用:重庆市江津第五中学校2022-2023学年高一下学期期中数学试题