三个正方形方格和扇形
的位置如图所示,点O为扇形的圆心,格点A,B,C分别在扇形的两条半径和弧上,已知每个方格的边长为1,则扇形
的面积为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2935a591c968df92a8cdd2bf09d96452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2935a591c968df92a8cdd2bf09d96452.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/1321e7bf-91c1-4c49-b339-a648b93384dd.png?resizew=163)
更新时间:2022-12-11 17:24:03
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【推荐1】如图,矩形
的两条对角线相交于点O,已知
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【推荐2】直角三角形两直角边分别为6
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【推荐1】如图,正方形
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【推荐2】如图,在直线 l 上有三个正方形 m、q、n,若 m、q 的面积分别为 4 和 9,则 n的面积______ .
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【推荐1】已知扇形的半径是
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【推荐2】如图,点
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