如图,
和
都经过A,B两点,且点N在
上.点C是优弧
上的一点(点C不与A,B重合),
的延长线交
于点P,连接
.若
,
,则
长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c22f4b5c09a56bd63d8378365fbdbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37b0a719f57b5ea5eb1074414597834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c22f4b5c09a56bd63d8378365fbdbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4e7ed8adf2e02cdb262a75d67bf393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5479a3dc9e022f1c6aab7086852ab59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.3 | C.![]() | D.![]() |
2024·陕西西安·一模 查看更多[4]
2024年陕西省西安市碑林区铁一中学中考一模数学试题2023年山东省淄博市周村区实验中学三月数学一模模拟试题(已下线)2023年山东省淄博市周村实验中学中考数学一模模拟试题2023年3月山东省泰安市泰山实验中学九年级中考数学模拟预测题
更新时间:2024-03-21 12:54:50
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【推荐1】如图,
与
都是等边三角形,点B,
依次在函数
的图象上,点A,
依次在x轴的负半轴上,若点B的坐标是
,则点
的坐标是( )
![](https://img.xkw.com/dksih/QBM/2022/4/13/2963535952609280/2982055029940224/STEM/a82c8ce8-8213-4190-b50b-e19a922dc5aa.png?resizew=214)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c58c1e727f0092545659ccc41b4279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cb90e72041e9139d4964f529ae1728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335703a8ada2c9b534b485efe93c44ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://img.xkw.com/dksih/QBM/2022/4/13/2963535952609280/2982055029940224/STEM/a82c8ce8-8213-4190-b50b-e19a922dc5aa.png?resizew=214)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
【推荐2】如图,
是边长为6的等边三角形,点E在
上且
,点D是直线
上一动点,将线段
绕点E逆时针旋转
,得到线段
,连接
,
,下列结论:
①
的最小值为
; ②
的最小值是
;
③当
时,
; ④当
时,
.
其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebab559439450db104590396f6139eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8946331b0a9d86e1a9c78797f3021455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a0387fc1258f31e44a10068c0ccfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a679040c4d556723e482bacbab41356d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff575e55857af133edb24c8e61504f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a679040c4d556723e482bacbab41356d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff575e55857af133edb24c8e61504f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab46ea0cba2d06283fae3d864a2329e0.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad17b21f4bd28790218601b430b7c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066cd386723885c535ea720f5817847a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066cd386723885c535ea720f5817847a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52423e252340d1fb40096c726db184e9.png)
其中正确的有( )
A.4个 | B.3个 | C.2个 | D.1个 |
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【推荐1】如图,将
绕点B顺时针旋转
角度得到
,边
分别交
交于M,N,若
,
,则角
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/f39eec59-47c1-4e8c-aee9-f1010894e5f7.png?resizew=173)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe4bdc5d9e833b23a1b916c06fc1a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b48221615e7f6d622b32fac9b069c1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ec1827a09872159663c8d1998a0ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d545cb81edcdaf8c267bc4b3f19c53ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/f39eec59-47c1-4e8c-aee9-f1010894e5f7.png?resizew=173)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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适中
(0.65)
【推荐1】如图所示,在矩形
中,
,点
是对角线
上的一个动点,连接
,以
为斜边作
的直角三角形
,使点
和点
位于
两侧,点
从点
到点
的运动过程中,点
的运动路径长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/11/03373af9-79cb-4365-8c44-b4988db429eb.png?resizew=184)
A.![]() | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
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【推荐2】如图所示,在
中,
,
,
,D是斜边
的中点,E是
上一点,连接
,将
沿
折叠,得到
,
恰好经过D点,有下列四个结论:①
为等边三角形;②
;③
;④
,其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/2022/3/17/2938305672953856/2946221967523840/STEM/4942336e-db21-46ff-a1db-7565f681072e.png?resizew=199)
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A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次