名校
1 . 如图,在半径为
的半圆弧
上取一点
,以
为直径作半圆,则图中阴影部分为月牙
,在
上取
个点
将圆弧
等分,设月牙
面积的平均值为
,若对于
均有
,则
的最大值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/4305818b-c021-4af5-8519-416e4b742555.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5631bc01b998a4b3fabd9e131699dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea009e37b1aafc86ba71572e4ad0087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394aee19f94c2b70fcce1d69b31dc7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967f7a900c70023bb6d3ad0103702777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0a9523f2084cf17b8656c11ab1d95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d46ee002abdeb29d9d848d5471f69ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a52871c0183fe1d2bd37160e350a50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/4305818b-c021-4af5-8519-416e4b742555.png?resizew=188)
A.![]() | B.![]() | C.![]() | D.1 |
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2022-04-07更新
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595次组卷
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2卷引用:湖北省二十一所重点中学2022届高三下学期第三次联考数学试题