设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6595597d25112f247753397d25bf5080.png)
的内角
所对的边分别为
,已知
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6595597d25112f247753397d25bf5080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/d2e21a20c4451e0ca33bb3108cee9373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1810555c0c28fe352841322b85bbc6.png)
更新时间:2018-07-06 20:06:46
|
【知识点】 求三角形中的边长或周长的最值或范围解读
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填空题-双空题
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适中
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名校
解题方法
【推荐1】在△
中,角
所对的边分别为
,已知
,
.则
的值为__________ ;若
,则△
周长的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813b66dd688dbb301ff7338c6b00c274.png)
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填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】在
中,已知
,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7558eab66ea74455e7a313b81e16610.png)
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