![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/ec5c43b90d514b818b7bb6b063c32ac7.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/aceaefc3ae634b7ca3eea629ccba34be.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/3a2912c5c116482da504da2c833a2c84.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/dfc1545aca6f4116b0e846b0e2de8739.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/10e95858b8a147f485a01470999bc1d7.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/7204d236886a49ecafa3b3e6055627dc.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/d1548f44554b4c04bd0f45387bb5daa4.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/ce3e207bd5ee4854891ca75610f91457.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/e616ff3bf6344077a2361a8c5a8696f0.png)
![](https://img.xkw.com/dksih/QBM/2010/5/10/1569724008448000/1569724013207552/STEM/63edc1aef8e74e4e96c5674d835ee814.png)
A.![]() | B.![]() | C.![]() | D.![]() |
9-10高一下·辽宁·阶段练习 查看更多[2]
更新时间:2016-11-30 04:34:35
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【知识点】 正弦定理判定三角形解的个数解读
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单选题
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【推荐1】在
中,内角
、
、
所对的边分别为
、
、
,不解三角形,确定下列判断正确的是( )
![](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)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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较易
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【推荐2】在
中,
,
,
,则此三角形( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e1bd4f72b3edd9647378d1191857fa.png)
A.无解 | B.一解 |
C.两解 | D.解的个数不确定 |
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