21-22九年级下·湖南衡阳·阶段练习
1 . 如图1,四边形
内接于
,
为直径,过点
作
于点
,连接
.
![](https://img.xkw.com/dksih/QBM/2023/2/22/3180413156917248/3188556512362496/STEM/e926ec3966e84e4db6aaf7feaf08afe9.png?resizew=357)
(1)求证:
;
(2)若
是
的切线,
,连接
,如图2.
①请判断四边形
的形状,并说明理由;
②当
时,求
,
与
围成阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f913298f0fae9f55377a8deab9f099dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2023/2/22/3180413156917248/3188556512362496/STEM/e926ec3966e84e4db6aaf7feaf08afe9.png?resizew=357)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a0e8a5b22995702a2618ae7c1262d7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65639672f444b3d4dc6fc4f357ddbd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
①请判断四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607543bb9f55b8a141ed2d6cf0e1a20b.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bb3820bab977db734f4335e4fde720.png)
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2 . 某中学开展劳动实习,学生加工制作零件,零件的截面如图所示.O为圆孔及轮廓圆弧
所在圆的圆心,A是圆弧
与直线
的切点,B是圆弧
与直线
的切点,四边形
为矩形,
,垂足为C,
,
,
,
,A到直线
和
的距离均为
,圆孔半径为
,则图中阴影部分的面积为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6932dd441452ba74244c828b3fa46ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388a975ada0e731f880a9ea5ca037841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b2332291d454751fa1d7b94fed1251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ada8e9fd2c6d6af8bb0177a07a69c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d1f6a42b01c73543f1e68daf07ef54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfad683e1ec57bac1266e8b0166722b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67f966f8f6705ca3a8916959386eaab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd5d6c0cfb272a71f867751d9d01152.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/5/3b3c1fd6-b0c4-4502-809f-6ea72dd37f1e.png?resizew=224)
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2023九年级·全国·专题练习
3 . 滹沱河岸边盛开的粉黛乱子草吸引了很多市民前来观赏,如图1是其中一处美景的俯视图,漂亮的粉黛乱子草(扇形
中的阴影部分)花开灿烂,已知扇形半径
米,
米,点P为
的中点,
上有一座供游人休息的亭子(矩形
),点H,G分别在
上,
在
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/808965fc-1910-407e-80e1-80e7b3c6c313.png?resizew=332)
(1)求粉黛乱子草的种植面积;
(2)爱思考的嘉嘉想:“这个矩形亭子的占地面积能否再大一些呢?”请你通过计算回答嘉嘉的问题;
(3)在点P处垂直于地面向上竖着一根高为
米的柱子
,在A处安装有一个自动喷水装置.水流在各个方向上沿抛物线路径落下,喷出的水流在距离
的水平距离为
米时达到最高点.当喷头A旋转时,整个粉黛乱子草刚好都能被喷出的水流覆盖.建立如图2的坐标系,求出此坐标系中抛物线水流对应的函数关系式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2935a591c968df92a8cdd2bf09d96452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa1b519e1c71e72fc08e9d8fc8271cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a543ee2e30e27fb47a87a092710a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc869125145c0139d92490a41bd3918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd2eac387636cb6acc92331412a59802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24706bdc4f1bd0a9b9291d792850b148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/808965fc-1910-407e-80e1-80e7b3c6c313.png?resizew=332)
(1)求粉黛乱子草的种植面积;
(2)爱思考的嘉嘉想:“这个矩形亭子的占地面积能否再大一些呢?”请你通过计算回答嘉嘉的问题;
(3)在点P处垂直于地面向上竖着一根高为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f3c9b8ef8ee06dc335e5dffa45931c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
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4 . 如图,在
中,
,O在斜边
上,且
,连接
,并延长至点D,使
,以点O为圆心、
为半径画圆,交
的延长线于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/c750a38c-8a30-4436-9844-db44b1319d8d.png?resizew=156)
(1)求证:
.
(2)已知
,
.
①连接
,过点B作
于点F,求
的长;
②求图中阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb0cb135b77b10612f470c5035dabd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e34e77949731b46960349976c14d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/c750a38c-8a30-4436-9844-db44b1319d8d.png?resizew=156)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55b6ce55e67f6e95e616eaf1ca3f6f8.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f656e1d1f68954e5f06de8958f6a9310.png)
①连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbfc35fc915ac7d4dc017e60ccdecbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
②求图中阴影部分的面积.
您最近一年使用:0次
2023-02-24更新
|
71次组卷
|
3卷引用:贵州省黔西南布依族苗族自治州2022-2023学年九年级上学期期中数学试题
贵州省黔西南布依族苗族自治州2022-2023学年九年级上学期期中数学试题(已下线)专题05 正多边形与圆、弧长及扇形的面积、圆锥的侧面积(经典基础题4种题型+优选提升题)江西省南昌市雷式学校2023-2024学年九年级上学期月考数学试题
5 . 如图,
为半圆的直径,半径
,先将该半圆沿直线
剪开得到两个圆心角为
的扇形,再把两个扇形经平移,使点
与点
,点
与点
分别重合(如图放置),则图中重叠部分(阴影部分)的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52705567101a48893de582656ef41527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6967ebd791092c62b4ef97924d91883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a0387fc1258f31e44a10068c0ccfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fe32dfbd66709875c5b9f79c9496da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/27/af032fe7-f00e-4259-921b-da1e0c0855b3.png?resizew=443)
您最近一年使用:0次
6 . 如图1,
的半径为
,
的顶点
,
,
在
上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/ae576eca-99dc-4ded-9f64-d0536984e3b4.png?resizew=376)
(1)求证:
是
的切线;
(2)若
也与
相切,求证:四边形
是菱形;
(3)如图2,
与
相交于点
,连接于
,当
时,求
的对角线
的长及阴影部分图形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095ab4a92bf822e175d370e6d0c8a730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/ae576eca-99dc-4ded-9f64-d0536984e3b4.png?resizew=376)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51e114946a52a5621d4e9b73165fa28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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7 . 如图,在矩形
中,以A为圆心,
的长为半径画弧,交
于点F,再以B为圆心,
的长为半径画弧,交
于点E.已知
,
,则图中阴影部分的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/98cf33cf-386c-4687-984d-ec40f143dac8.png?resizew=131)
您最近一年使用:0次
2023-02-19更新
|
739次组卷
|
5卷引用:重庆市北碚区西南大学附属中学校2022-2023学年九年级下学期月考数学试题
重庆市北碚区西南大学附属中学校2022-2023学年九年级下学期月考数学试题(已下线)2023年河南省驻马店市八校联考中考二模数学试题变式题11-15题(已下线)专题3.11 圆的基本性质章末八大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(浙教版)(已下线)专题24.13 圆章末十大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(人教版)(已下线)专题2.13 对称图形——圆章末十大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(苏科版)
名校
8 . (1)课本再现:如图1,
是
的两条切线,切点分别为A,B.则图中的
与
,
与
有什么关系?请说明理由,
分别与
相切于点A、B、C,且
,连接
,延长
交
于点M,交
于点E,过点M作
交
于N.
①求证:
是
的切线:
②当
cm,
cm时,求
的半径及图中阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a1dd47d59b9755e1815f18f3e22ef81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7081dada4c2d7e8b7372637a900dbe21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cebb7016268e2a6e7f6d90d5ca5d7585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c218de432d75a07b16c195a9a2b877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a22e02a2b59afc13899e1b1d7c5e57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bbafc96fb6a126c8636da9fcb217aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1be9321514a17079ba58986adc6e2ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4a0b269800bab3aee1cdb9d5cc0ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02672185596d0be60de9e2e93afb59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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2023-02-16更新
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4卷引用:江西省赣州市赣县区2022-2023学年九年级上学期数学期末数学试卷
江西省赣州市赣县区2022-2023学年九年级上学期数学期末数学试卷(已下线)2023四川省乐山市中考数学变式题22-26题2024年江西省大余县中考二模数学试题江西省抚州市金溪县第一中学2023-2024学年九年级下学期第二次月考数学试题
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9 . 如图,
是半圆
的直径且
.P为半圆
上一点(不与点A、B重合),D为
延长线上一点,
、
的角平分线相交于点C.在点P移动的过程中,线段
扫过的面积为____________ .
![](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/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bafaec1cbb31d644a0df6bbd4fe4f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e98f2e85bdf9c6669c14f8966ed53be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/63889e76-a1bf-4337-b11c-bb54de321d74.png?resizew=174)
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4卷引用:浙江省宁波市江北区2022-2023学年九年级上学期期末检测数学试题
浙江省宁波市江北区2022-2023学年九年级上学期期末检测数学试题浙江省宁波市江北区2022-2023学年九年级上学期期末数学试题浙江省台州市椒江区书生中学2023-2024学年九年级上学期期中数学试题(已下线)专题10 浙江省九年级上期末试卷选择、填空易错压轴题训练-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(浙教版)
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10 . 如图,正方形的边
,弧
和弧
都是以2为半径的圆弧,则图中空白两部分的面积之差是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-23更新
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648次组卷
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9卷引用:山东省临沂市罗庄区2022-2023学年九年级上学期期中考试数学试题
山东省临沂市罗庄区2022-2023学年九年级上学期期中考试数学试题江苏省苏州市姑苏区苏州中学2022-2023学年九年级下学期开学测试数学试题(已下线)第14讲 对称图形—圆(全章复习与测试)-【暑假自学课】2023年新九年级数学暑假精品课(苏科版)(已下线)第12讲 弧长及扇形的面积(2种题型)-【暑假自学课】2023年新九年级数学暑假精品课(苏科版)(已下线)专题24.10 求与圆有关的阴影部分的面积的技巧五大题型-2023-2024学年九年级数学上册举一反三系列(人教版)(已下线)专题3.8 求与圆有关的阴影部分的面积的技巧五大题型-2023-2024学年九年级数学上册举一反三系列(浙教版)(已下线)专题2.10 求与圆有关的阴影部分的面积的技巧五大题型-2023-2024学年九年级数学上册举一反三系列(苏科版)江西省宜春市高安市第二中学和高安四中2023-2024学年九年级上学期月考数学试题2024年江苏省苏州高新区实验初级中学九年级数学中考二模试题