在
中,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfd157d2b17f2e1c8fa031d54c25521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b86d43790babcdbbdc03493ee70928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b6bef27de230acad352f25e954f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfd157d2b17f2e1c8fa031d54c25521.png)
更新时间:2020-02-14 09:48:18
|
【知识点】 正弦定理求外接圆半径解读
相似题推荐
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适中
(0.65)
【推荐1】在
中,
,
,
,则
的外接圆半径R的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8933d1fc46da5c177f7c5d9afd77e296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e0b4ec3990235ac5827e53d26dc09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbbcb5d6599570436b8e429981ca079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
您最近一年使用:0次
填空题-单空题
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适中
(0.65)
名校
【推荐2】在
中,已知
,
,设
,以下说法正确的是______
①若
有两解,
;②若
有唯一解,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c16cb1b47619d7315591e8df525a72.png)
③若
无解,
;④当
,
外接圆半径为6
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b86d43790babcdbbdc03493ee70928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f9c88edac18a30697feb5a9956b70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac19124ed648abb00bc71584bbabf63.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85728d40def6a10adeb3327219b7e3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c16cb1b47619d7315591e8df525a72.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b97fb5e3a5156e8183133c5368d238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次