在三角形
中,角
,
,
所对的边分别是
,
,
.已知
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e5208171be5403f520db8ad635a2e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853b426266950214ece2a0ce650defbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
更新时间:2017-02-08 11:39:08
|
相似题推荐
解答题-问答题
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适中
(0.65)
【推荐1】在
中,角
所对的边分别为
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/e0184474-1660-40ea-abe1-4bfda10ba9dc.png?resizew=167)
(1)求
的大小;
(2)设
的平分线
交
于
,
,求
的值.
![](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/41ffcaebe46ccbf1d2959505cf62177a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/e0184474-1660-40ea-abe1-4bfda10ba9dc.png?resizew=167)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d652033c3883795c91a301793f0dcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
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解答题-问答题
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适中
(0.65)
真题
【推荐2】
的内角A、B、C的对边分别为
.已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3fb2da3909e643ef238b8d0ac559e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
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适中
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解题方法
【推荐1】
的内角A,B,C的对边分别为a,b,c,已知
.
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385819867059097f82caabfffd161cd4.png)
(1)求B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b903021571c1b57943a1a3274217654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
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解答题-问答题
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适中
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【推荐2】在
中,角A,B,C所对的边分别是a,b,c,且
.
(1)求角B的大小;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078d0b4523cc2ee22c25e477ed9fc79d.png)
(1)求角B的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c00f7e3c9b3ca278015e3ec031f102.png)
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解答题-问答题
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适中
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【推荐1】如图,在圆内接四边形ABCD中,
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![](https://img.xkw.com/dksih/QBM/2022/4/14/2958094116044800/2959245912580096/STEM/b2a8bfa8-ab8e-443e-a6c8-b8cc353daef5.png?resizew=158)
(1)求边AC的长;
(2)求四边形ABCD周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b124087e8e0f003f15224ecc3c983228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e60676d73841a5ec66961e92e2b2646.png)
![](https://img.xkw.com/dksih/QBM/2022/4/14/2958094116044800/2959245912580096/STEM/b2a8bfa8-ab8e-443e-a6c8-b8cc353daef5.png?resizew=158)
(1)求边AC的长;
(2)求四边形ABCD周长的最大值.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知
分别为
三个内角
的对边,且满足
.
(1)求角
的大小;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6842ab33756d1e11eadadb7d5756ec7b.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5daacfca03b233bee267ed7410cd43c7.png)
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