2014高三·全国·专题练习
名校
解题方法
1 . 已知
中,
,则
面积的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd390705a3ffa45d2444965e52fb37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2016-12-02更新
|
1282次组卷
|
5卷引用:2014届高考数学总复习考点引领+技巧点拨第三章第7课时练习卷
(已下线)2014届高考数学总复习考点引领+技巧点拨第三章第7课时练习卷2015届江苏省启东中学高三下学期期初调研测试理科数学试卷2015届江苏省启东中学高三下学期期初调研测试文科数学试卷(已下线)【百强校】2015届江苏省启东中学高三下学期期初调研测试文科数学试卷内蒙古自治区呼和浩特市土默特中学2022-2023学年高一下学期第一次月考数学试题
名校
2 . 如图,扇形
中,圆心角
等于
,半径为
,在弧
上有一动点
,过点
引平行于
的直线交
于点
,设
,则三角形
面积的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
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解题方法
3 . 在①
,外接圆半径为1;②
,
;③
,
这三个条件中任选一个,补充在下面问题中并进行解答,内角
,
,
所对的边分别为
,
,
.若______,判断
面积的最值的情况.如果存在最值,求出相应的最值.注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdf97a7098ede321f30faafa952a116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0685077c0170b81033caeb49fc0035cf.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2014·陕西西安·二模
解题方法
4 . 已知
面积
和三边
、
、
满足
,
,则
面积
的最大值为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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2016-12-02更新
|
1153次组卷
|
4卷引用:2014届陕西省长安一中等五校高三第二次联合模拟考试理科数学试卷
(已下线)2014届陕西省长安一中等五校高三第二次联合模拟考试理科数学试卷(已下线)2014届陕西省长安一中等五校高三第二次联合模拟考试文科数学试卷2015届陕西西安长安区一中高三上学期第三次检测理科数学卷2015届陕西西安长安区一中高三上学期第三次检测文科数学卷
2013·福建漳州·一模
解题方法
5 . 已知
中,角
所对的边分别为
,外接圆半径是1,且满足条件
,则
的面积的最大值为_____________ .
![](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)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
6 . 在
中,内角
的对边边长分别为
,且
.若
,则
的面积最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
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14-15高三上·河北衡水·阶段练习
解题方法
7 . 在
中,已知内角
,边
,则
的面积
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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8 . 平面凸四边形
,
,则此四边形的最大面积为____ .
![](https://img.xkw.com/dksih/QBM/2016/11/23/1573169719787520/1573169725923328/STEM/ded4a133821e4219b07815e1e208f61f.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2016/11/23/1573169719787520/1573169725923328/STEM/638a951139234c838a67de446171ec1e.png?resizew=205)
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19-20高三上·全国·阶段练习
解题方法
9 . 已知锐角三角形ABC中,
,
,则
的面积的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024高三·上海·专题练习
解题方法
10 . 圆台
母线长为3,下底直径为10,上底直径为5,过圆台两条母线作截面,则该截面面积最大值是 _______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
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