如图,在
中,
,
,
是
的平分线,经过
,
两点的圆的圆心
恰好落在
上,
分别与
、
相交于点
、
.若圆半径为2.则阴影部分面积( ).
![](https://img.xkw.com/dksih/QBM/2020/6/13/2483949028311040/2485207935680512/STEM/096b1ce3-73f4-4d59-a3f8-c8d5665bd166.png?resizew=106)
![](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/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2020/6/13/2483949028311040/2485207935680512/STEM/096b1ce3-73f4-4d59-a3f8-c8d5665bd166.png?resizew=106)
A.![]() | B.![]() | C.![]() | D.![]() |
2020·湖北黄冈·二模 查看更多[10]
2020年湖北省黄冈市九年级二模数学试题(已下线)(专题)圆中不规则图形面积解法2021年江苏省南通市中考数学第二次适应性训练试卷(已下线)专题24.33 弧长及扇形的面积(培优篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(人教版)(已下线)专题24.42 《圆》全章复习与巩固(培优篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(人教版)(已下线)专题3.36 弧长及扇形的面积(培优篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)(已下线)专题3.45 圆(全章复习与巩固)(培优篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)湖北省武汉市江夏区2023-2024学年九年级上学期月考数学试题山东省德州市平原县2023-2024学年九年级上学期期末数学试题(已下线)专题03与圆有关的计算之求阴影部分面积(3大模型+解题技巧)-2024年中考数学答题技巧与模板构建(全国通用)
更新时间:2020-06-15 15:11:23
|
【知识点】 求其他不规则图形的面积
相似题推荐
单选题
|
较难
(0.4)
【推荐1】如图所示,以正方形
的顶点
为圆心的弧恰好与对角线
相切,以顶点
为圆心,正方形的边长为半径的弧,已知正方形的边长为
,则图中阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/2018/11/1/2066002841862144/2068274791006208/STEM/cf1f6d6b6a3043749dc6adbf1effadfc.png?resizew=108)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/2018/11/1/2066002841862144/2068274791006208/STEM/cf1f6d6b6a3043749dc6adbf1effadfc.png?resizew=108)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐2】如图,在矩形
中,
,点
是
边上的一个动点,连接
,点
关于直线
的对称点为
,当点
运动时,点
也随之运动.若点
从点
运动到点
,则线段
扫过的区域的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/2906112e-8b00-4579-9771-c3b4c80a6012.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1cf954378eca1e0383020c48bbf905c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/2906112e-8b00-4579-9771-c3b4c80a6012.png?resizew=179)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次