在
中,内角
,
,
对应的边分别为
,
,
,请在①
;②
;③
这三个条件中任选一个,完成下列问题:
(1)求角
;
(2)若
,
的周长为
,求
的面积.
![](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/ad44633e024a49989c6e5ff01bd3deea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efec340c6572fad65aa8818fa7c923b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780777d1789caba757a024a8fc3d67d4.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134da12c9064bc91b16a9a36c72885d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
21-22高一下·浙江嘉兴·期末 查看更多[3]
浙江省嘉兴市2021-2022学年高一下学期期末数学试题(已下线)期末专题02 解三角形综合-【备战期末必刷真题】山东省菏泽市定陶区明德学校(山大附中实验学校)2022-2023学年高一(创新部)下学期6月月考数学试题
更新时间:2022-06-28 15:24:51
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【推荐2】在
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条件②:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d427135c903b39deb3b41038f4ec8bba.png)
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