名校
解题方法
1 . 已知
的内角A,B,C的对边分别为a,b,c,且
.
(1)求角
的大小;
(2)若
的面积为
,
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67027222599a70a0cb26cedb297f039.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14fc6d812e0f2a7ff2b7bb4f4c92369d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f704179f68ce7fb0ccea3d5e36282ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-04-10更新
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4卷引用:江西省宜春市丰城市第九中学2023-2024学年高一下学期期中考试数学试题