如图所示,将长度为1的线段分为x、y两段,再将长度为x的线段弯成半圆周ACB,将长度为y的线段折成矩形ABDE的三条边(BD、DE、EA),构成闭“曲边形”ACBDEA,则该曲边形面积的最大值为____________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/1d2dfeee-a7b8-4615-8314-04f8036f8643.png?resizew=163)
2019高三·浙江·竞赛 查看更多[1]
更新时间:2020-05-12 09:09:54
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【知识点】 函数的最大值和最小值
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使得
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为坐标原点),则
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