1 . 某校数学兴趣小组将两个边长不相等的正方形
和正方形
按照图
方式摆放,点
,
,
在同一条直线上,点
在
上.
如图2,将正方形
绕点
逆时针旋转
.
①当
时,求
,
,
的度数;
②正方形
旋转过程中,你发现
与
的有何数量关系?
与
的有何数量关系?请直接写出你发现的结论,不需要证明.
(2)类比探究
如图3,将正方形
绕点
顺时针旋转
.上面②中你发现的结论是否仍然成立?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a2110034a1cf43218b1c54966547d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
如图2,将正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a2110034a1cf43218b1c54966547d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805d1335ede644ed5a27aa232c21fa1f.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41ea61c6dd05774c63fa26773f605bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0248941233bcf886e39d3b5c543aa23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7260a17951e21357e654afad605c57a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1da12b51149bf0b494d8124e20489e.png)
②正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a2110034a1cf43218b1c54966547d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0248941233bcf886e39d3b5c543aa23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7260a17951e21357e654afad605c57a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1da12b51149bf0b494d8124e20489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d83aa4653741ec83f001f553fab4b31.png)
(2)类比探究
如图3,将正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a2110034a1cf43218b1c54966547d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c11c3e969e5494e0cc5065805983cc0c.png)
您最近一年使用:0次
名校
2 . 如图,在等边三角形
中,
,
,点E是线段
上一动点,连接
,将线段
绕点A顺时针旋转
,得到线段
,连接
,则
长的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
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5卷引用:山东省济宁市任城区济宁学院附属中学2023-2024学年八年级上学期期末数学试题
名校
3 . 如图,中,
,D为
内一点,连接
,将
绕点A逆时针旋转
,得到
,连接
.
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421291381be28da4bd16560fd383b4a9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
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2023-09-07更新
|
397次组卷
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14卷引用:山东省济南市商河县实验中学2022-2023学年八年级下学期第一次月考数学试题
山东省济南市商河县实验中学2022-2023学年八年级下学期第一次月考数学试题河北省廊坊市霸州市2021-2022学年九年级上学期期末数学试题(已下线)考点一 旋转相关概念与性质湖北省黄石市初中教研协作体2022--2023学年九年级上学期期末考试数学试卷福建省福州文博中学2023-2024学年九年级上学期开学考试数学试题(已下线)23 图形的旋转(题型精讲精练)-【题型分类精粹】2023-2024学年九年级数学上学期期中期末复习讲练系列【考点闯关】(人教版)辽宁省抚顺市新宾满族自治县2023-2024学年九年级上学期期中数学试题湖北省荆门德艺学校南校(碧桂园)2023-2024学年九年级上学期期中数学试题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湖北省黄石市阳新县陶港中学2023-2024学年九年级上学期期末数学试题(已下线)猜想03旋转综合题(3种常见题型专练)-2023-2024学年九年级数学上学期期末考点大串讲(人教版)广东省潮州市2023-2024学年九年级上学期期末数学试题(已下线)第01讲 图形的旋转(知识解读+达标检测)-2023-2024学年八年级数学下册《知识解读·题型专练》(苏科版)四川省南充市顺庆区南充高级中学2023-2022学年九年级上学期第三次月考数学试题
4 . 已知
是等边三角形.
(1)将
绕点A逆时针旋转角θ(
),得到
,
和
所在直线相交于点O.
①如图a,当
时,
与
是否全等?___ (填“是”或“否”),
___ 度;
②当
旋转到如图b所在位置时,求
的度数;
(2)如图c,在
和
上分别截取点
和
,使
,
,连接
,将
绕点A逆时针旋转角(
),得到
,
和
所在直线相交于点O,请利用图c探索
的度数,直接写出结果,不必说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/27/1cc929c2-fb1f-4399-812e-39fa4e5bee27.png?resizew=439)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30af76bf4cc9658e721471fbddab7f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
①如图a,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde36c2a0552e7a0a679f5763d6cc588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7c903121c158dafe5e7f3712897ed8.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.png)
(2)如图c,在
![](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/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a27fbd3e0086e6c309508434ff295a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2127f7289f47a5d8a278ac9514fa9f2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e737bc35da650eda3825d29799b5f86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c021993da445858448d368df42554c8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30af76bf4cc9658e721471fbddab7f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.png)
您最近一年使用:0次
2023-06-17更新
|
108次组卷
|
4卷引用:山东省德州市禹城市高新区2022-2023学年八年级下学期期末数学试题
5 . 某校数学兴趣小组对图形的旋转问题进行了深入探究.
专题探究:已知
中,
,
,点M是线段
上的一点,N是线段
上的点,
,交
于点Q,将线段
绕点M顺时针旋转
度,得到线段
,连接
.
(1)如图1,当
时,直接写出线段
与
的数量关系______;
(2)如图2,当
时,判断线段
与
的数量关系,并给出证明;
(3)变式应用:如图3,在
中,
,
,
,M是
上的任意一点,连接
,将
绕点
按顺时针方向旋转
,得到线段
,连接
.求线段
的最小值.
专题探究:已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8cb55195b9b6ff2bfefd4d6a7c1d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5fb59164942823f29fc2f0e9b369ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c48fae489b914a940c1b2ba01d19e4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/9/c364fa37-13e8-4b31-abce-365a9c7c38f2.png?resizew=513)
(1)如图1,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cf714ffb3fd5917a76b191640b55fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
(2)如图2,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d03f73bec20b60bc7608972607f5a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
(3)变式应用:如图3,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3f521115d8becc81352e26f83d60f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659d5f2c4e3aa879c0dca195621857c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed006dde05c1f51a6098a8dc6ef3445e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e737bc35da650eda3825d29799b5f86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42198b8e646ccfbbec323fd364c4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42198b8e646ccfbbec323fd364c4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebad23f7992ba222ddc115f1458065f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba25c398b41939559a52518e8b251af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba25c398b41939559a52518e8b251af6.png)
您最近一年使用:0次
2023-05-30更新
|
257次组卷
|
3卷引用:2023年山东省济南市莱芜区中考三模数学试题
2023年山东省济南市莱芜区中考三模数学试题2023年山东省济南市莱芜区初中学业水平考试数学模拟预测题(已下线)专题17 几何压轴题-学易金卷:5年(2019-2023)中考1年模拟数学真题分项汇编(全国通用)
6 . 问题:如图(1),在
中,
,
,
,试探究
满足的等量关系.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/18/b43c1c74-f5c6-4d0d-b8da-877418f00fcf.png?resizew=337)
[探究发现]
小明同学利用图形变换,将
绕点C逆时针旋转
得到
,连接
,由已知条件易得
,
,根据“边角边”可证
,得
,在
中,由 定理,可得
,得
,可得
之间的等量关系是 .
[实验运用]
(1)如图2,在正方形
中,
的顶点E、F分别在
边上,高
与正方形的边长相等,求
的度数.
(2)在(1)条件下,连接
,分别交
于点M、N,若
,运用小明同学探究的结论,求正方形边长以及
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8807117d0d649419fdda04c531cdc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1af32e267e35ef79bcb8df5d169283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f15c3af8a6d4e03bffdddf65cb8f9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/18/b43c1c74-f5c6-4d0d-b8da-877418f00fcf.png?resizew=337)
[探究发现]
小明同学利用图形变换,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4a514e2e338c6fa31c9938624a4a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cbeac5798a155ac8649f1236fe451d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee9a78b3e30a2fdec94bd07e0ed2de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ccb5e1cf7c2ac91a1f43bedb439723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39863a0466c9df2ff8c41a498773b732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cad9c918d03cc2a4076d307ea03a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3285a570c58d208dd229d82c27df5744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1e2574ae574472a5c5f98b88dfdba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f9964e2164838720ac7a3189e63f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f15c3af8a6d4e03bffdddf65cb8f9d.png)
[实验运用]
(1)如图2,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20cb2c77ea29b6eabbc477bc3743859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e31edc5b71c488ca9942d70d9298f01.png)
(2)在(1)条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c561465e9999219eb8b06c02c53e729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe0f22e1a8c3191ccfa45571afe529b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
7 . 已知
和
都是等腰三角形,
,且
,连接
,且
,直线
交直线
于点F.
与
的位置关系,并说明理由;
(2)如图2,依次取
的中点M、N,连接
,求证:
.
(3)如图3,在(2)的条件下,连接
,若
,在将
绕点A旋转的过程中,请直接写出线段
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6d115ec36f562be09880428a3a05d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c65319e9026d1db4d468f69fd8f9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc9c9a1c828f5b3c718e2a98a749192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(2)如图2,依次取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2d5f859fe2fed9e1389a469bdfb336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94053babe6f2d9a1f48b131607a81ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d028eaea6f3485e34f521865f27d71.png)
(3)如图3,在(2)的条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460aa3d83df61f6c411b34412135451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80651f797ab9dccfd7163c605b091ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460aa3d83df61f6c411b34412135451.png)
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2卷引用:2023年山东省临沂市郯城县中考一模数学试题
8 . (1)如图1,已知
和
均为等边三角形,
在
上,
在
上,易得线段
和
的数量关系是 .
(2)将图1中的
绕点
旋转到图2的位置,直线
和直线
交于点
.
①判断线段
和
的数量关系,并证明你的结论;
②图2中
的度数是 .
(3)如图3,若
和
均为等腰直角三角形,
,
,
,直线
和直线
交于点
,分别写出
的度数,线段
、
间的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41663d9e5e18891475aeaa98794f33d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
(2)将图1中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
①判断线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
②图2中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36719f1e764ee0e719b65c49fae84677.png)
(3)如图3,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41663d9e5e18891475aeaa98794f33d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dde34f35b41aa2e929fc5653c87815a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b506c24f554901249694f21d9621b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36719f1e764ee0e719b65c49fae84677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/5b1eeef4-4176-48ac-8d39-90cdbaa17e7c.png?resizew=539)
您最近一年使用:0次
2023-04-15更新
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259次组卷
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14卷引用:2020年山东省济南市历城双语学校九年级一模数学试题
2020年山东省济南市历城双语学校九年级一模数学试题山东省济南市长清区2022-2023学年九年级上学期期末数学试题(已下线)数学(济南卷)-学易金卷:2023年中考第一次模拟考试卷(已下线)黄金卷06(烟台专用)-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷山东省济南市长清区长清区第三初级中学2023-2024学年九年级上学期12月月考数学试题吉林省长春市长春净月高新技术产业开发区东北师范大学附属中学2019-2020学年九年级第二次月考数学试题(已下线)手拉手模型吉林省长春市师大附中明珠校区2019-2020学年九年级上学期期中数学试题(已下线)专题10.3+全等三角形、相似三角形、勾股定理(3)-备战2021年中考数学精选考点专项突破题集(全国通用)(已下线)(专题)全等三角形常用模型吉林省长春市南关区净月实验中学2021-2022学年九年级下学期2月月考数学试题(一模)(已下线)黄金卷02-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(江苏泰州专用)2024年河南省中考数学一模考模拟试题2024年河南省中考数学复习模拟试题(七)
9 . 如图,
中,
,将
沿射线
的方向平移,得到
,再将
绕点
逆时针旋转一定角度后,点
恰好与点C重合,则平移的距离和旋转角的度数分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b21e57852975e3b9778fc1983b8157f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
A.4,![]() | B.2,![]() | C.2,![]() | D.3,![]() |
您最近一年使用:0次
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7卷引用:山东省威海市威海临港经济技术开发区2022-2023学年八年级上学期期末数学试题
山东省威海市威海临港经济技术开发区2022-2023学年八年级上学期期末数学试题(已下线)3.2 图形的旋转-2022-2023学年八年级数学下册《考点·题型·技巧》精讲与精练高分突破系列(北师大版)(已下线)数学(北师大版B卷)-学易金卷:2022-2023学年八年级下学期期中考前必刷卷(已下线)第三章 图形的平移与旋转 章末检测卷-【帮课堂】2022-2023学年八年级数学下册同步精品讲义(北师大版)(已下线)第三章 图形的平移与旋转 章末检测卷-2022-2023学年八年级数学下册重难题型全归纳及技巧提升专项精练(北师大版)(已下线)专题9.4 图形的旋转(题型分类拓展)-2023-2024学年八年级数学下册基础知识专项突破讲与练(苏科版)(已下线)专题3.13 图形的平移与旋转(全章知识梳理与考点分类讲解)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)
名校
10 . 如图,在
中,
,
,D是线段
延长线上一点,连接
,过点A作
于E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/2876d736-95ac-44c6-9f5d-3921a6af211c.png?resizew=154)
(1)求证:
;
(2)将射线
绕点A顺时针旋转
后,所得的射线与线段
的延长线交于点F,连接
.
①依题意补全图形;
②用等式表示线段
,
,
之间的数量关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a355958abf7dc0f2eb949584cb87907b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/2876d736-95ac-44c6-9f5d-3921a6af211c.png?resizew=154)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500fb7ff2af329d06ef69b5dc248ab92.png)
(2)将射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c20e88a33043f4279fff360c81006e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
①依题意补全图形;
②用等式表示线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
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12卷引用:2022年山东省济南市中考数学模拟试题
2022年山东省济南市中考数学模拟试题【区级联考】北京市门头沟区2019届九年级上学期期末考试数学试题北京市海淀区北京交通大学附属中学2019-2020学年九年级上学期12月月考数学试题北京交大附中2019-2020学年九年级上学期12月月考数学试题北京市西城区西城外国语学校2020-2021学年九年级上学期期中数学试题北京市月坛中学2021-2022学年九年级上学期期中数学试题北京市第八十中学2022-2023学年九年级上学期数学期中统练试题(已下线)专题9.4 图形的旋转(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题9.31 中心对称图形——平行四边形(全章复习与巩固)(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题9.1 图形的旋转(知识讲解)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题3.8 图形的旋转(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(北师大版)(已下线)专题3.5 图形的旋转(知识讲解)-2022-2023学年八年级数学下册基础知识专项讲练(北师大版)