在平面凸四边形ABCD中,
,
,
,且
,则四边形ABCD的面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c96f92e7510725e555dd039e1c709f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
22-23高一下·湖北武汉·期末 查看更多[4]
湖北省武汉市部分学校联合体2022-2023学年高一下学期期末联考数学试题(已下线)模块一 专题2 解三角形中的最值问题(高一人教B)(已下线)模块一 专题2 解三角形中的最值问题【人教A版(2019)】专题07解三角形(第一部分)-高一下学期名校期末好题汇编
更新时间:2023-07-01 08:25:23
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【推荐1】已知点
,
,
,则以
,
为邻边的平行四边形的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6dcd362a44588747e88b206e7c5ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5628b6cdbf358d721653b528b4cfe168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3cb8f668297446146afd26d28aa07e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知
的内角
的对边分别为
,
,且
.若
,
是
上的点,
平分
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
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【推荐1】在
中,三边
与面积
的关系是
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的度数是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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A.30° | B.60° | C.45° | D.90° |
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解题方法
【推荐2】在
中,三角形三条边上的高之比为
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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A.钝角三角形 | B.直角三角形 | C.锐角三角形 | D.等腰三角形 |
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