如图,
中,已知
,
,以
上的点
为圆心,
为半径的圆切
于
点,若
,则阴影部分的面积是( )
![](https://img.xkw.com/dksih/QBM/2022/5/18/2981982004461568/2987836727328768/STEM/f6426d0f-c75b-484d-a570-92aad4ccd6a4.png?resizew=176)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b65a6b465cef4b72fe53ccc5ff82747.png)
![](https://img.xkw.com/dksih/QBM/2022/5/18/2981982004461568/2987836727328768/STEM/f6426d0f-c75b-484d-a570-92aad4ccd6a4.png?resizew=176)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-05-28 10:16:48
|
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适中
(0.65)
【推荐1】如图,在
中,
,以
的中点
为圆心,
的长为半径作圆,交
于点
,则图中阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/2022/5/19/2982851620274176/2985685006213120/STEM/c33945f6-b6ce-420f-a23e-ebc84351925d.png?resizew=178)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc26352d3ab991aef6750f30f2bfd51a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,点A,B,C,D,E是⊙O上5个点,若AB=AO=6,将弧CD沿弦CD翻折,使其恰好经过点O,此时,图中阴影部分恰好形成一个“钻戒型”的轴对称图形,则“钻戒型”(阴影部分)的面积为( )
![](https://img.xkw.com/dksih/QBM/2022/3/6/2930224769024000/2938182481502208/STEM/626c6d9e041f435a9f8f2f0d7d691669.png?resizew=197)
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【推荐1】在四边形
中,点 E是边
上的一点 (不与点 A,B 重合),且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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A.![]() |
B.![]() ![]() |
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【推荐2】如图,矩形
中,
,
,点E为
的中点,点F为
上一点,连接
、
交于点P,连接
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的长度为( )
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