如图,
,
,分别以各边为直径作半圆,图中阴影部分在数学史上称为“希波克拉底月牙”,当
,
时,则阴影部分的面积为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae8221601c7bd5c51fd520615581fa1.png)
更新时间:2024-02-21 17:55:39
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【推荐1】如图,在菱形
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【推荐2】矩形
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【推荐1】《从勾股定理到图形面积关系的拓展》中有如下问题:如图①分别以直角三角形的三条边为边,向直角三角形外分别作正三角形,则图中的
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
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【推荐2】如图,分别以直角三角形的三边为直径作半圆,则三个半圆的面积S1,S2,S3之间的关系是_____ .
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