从①
;②
;③
的外接圆的半径为2且
,这三个条件中选择一个,补充在下面问题中,并解答.
已知
的内角
的对边分别为
,且
,__________.
(1)求角
的大小;
(2)若
,求
的面积.
注:若选择多个条件分别解答,按第一个解答给分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07db982c4e91d64a82289b2bf1ddae66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e57844522755353339e4765c3e56d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d0b9c0c01b49be6e08a111568f77f4.png)
已知
![](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/f7fa79a550591eb9e1bd07bced3a08fc.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5978b3692daed80e12a18b5a68ed2d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
注:若选择多个条件分别解答,按第一个解答给分.
22-23高二下·贵州·阶段练习 查看更多[6]
贵州省遵义市第一中学等校2022-2023学年高二下学期第一次月考数学试题辽宁省朝阳市凌源市2022-2023学年高二下学期4月月考数学试题江苏省无锡市四校2022-2023学年高一下学期期中联考数学试题(已下线)模块四 高一下期中重组篇(江苏)(已下线)专题4 考前优质试题精选练(4)(北师大版高一期中)江苏高一专题05解三角形(第二部分)
更新时间:2023-03-30 16:55:01
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