1 . 如图,在
中,
,点
分别在边
上,并且
分别是
的角平分线,请写出
之间的数量关系______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9992e8e94c0f501791e157696f2419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ad58997b9dc0b341c9af08f0cd1fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edcfc033a70d344d0c38ad59176da3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba728d04f558ed52b46971219493e309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b60e5027e1dcfd7688e2a40de650ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1909eca4eefbbb6235f18b709da069.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/afa0417b-9aeb-4d81-9110-98d1c03dd0e0.png?resizew=144)
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2 . 平面直角坐标系中,
,
,A为x轴上一动点,连接
,将
绕A点顺时针旋转
得到
,当点A在x轴上运动,
取最小值时,点B的坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7641baffd700f0c577d001e9d7a6c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c35bd36d8f4a7dcab58c8b0de781cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ad8115387158c8dda205d26968ba11.png)
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2024-01-12更新
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265次组卷
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21卷引用:新疆维吾尔自治区乌鲁木齐市新市区第七十二中学2022-2023学年九年级上学期期中数学试题
新疆维吾尔自治区乌鲁木齐市新市区第七十二中学2022-2023学年九年级上学期期中数学试题湖北省黄石市大冶市实验中学2020-2021学年九年级上学期12月月考数学试题(已下线)专题8.1 全等三角形中辅助线做法及常见题型-备战2021年中考数学精选考点专项突破题集(上海专用)(已下线)专题3.10 旋转-几何变换(提升篇)(专项练习)-2020-2021学年八年级数学下册基础知识专项讲练(北师大版)广东省珠海市前山中学2021-2022学年九年级上学期期中数学试题江苏省扬州市梅岭中学2022-2023学年八年级上学期第二次月考数学试卷 天津市南开田家炳中学2022-2023学年九年级上学期期末数学试卷贵州省遵义市汇川区遵义航天中学2022-2023学年九年级上学期期中数学试题(已下线)专题36 几何动态性问题之动点问题-2023年中考数学二轮复习核心考点专题提优拓展训练(已下线)专题3.29 图形的平移与旋转(动点问题)(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)期末押题预测卷(2)-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(浙教版)(已下线)期末押题预测卷(2)-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(人教版)(已下线)期末押题预测卷(2)-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(苏科版)(已下线)九年级秋季开学摸底测试(一)-2023年【暑假分层作业】八年级数学(苏科版)湖南省株洲市天元区建宁实验中学2022-2023学年八年级下学期期末数学试题广东省 广州市越秀区铁一中学2023-2024学年学九年级上学期月考数学试题(已下线)期末真题必刷常考60题(44个考点专练)-2023-2024学年九年级数学上学期期末考点大串讲(人教版)(已下线)专题05 平面直角坐标系(知识串讲+热考题型+真题训练)-2023-2024学年八年级数学上学期期中期末考点归纳满分攻略讲练(苏科版)2024年山东省济南市九年级学业水平考试数学模拟预测题陕西省西安市高新一中沣东中学2023-2024年八年级下学期第一次月考数学试题(已下线)第三章第02讲 图形的旋转(8类热点题型讲练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(北师大版)
名校
3 . 如图正方形
,点F在边
上且
,
,垂足为M,且交
于点E,
与
交于点N,延长
至G,使
,连接
.有如下结论:①
;②
;③
;④
.上述正确的结论是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce33c23cc79d51dbfeeb4fba58cc34f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783b84ed8d927b77491092f7d2ee2989.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/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036150eafe4981d3cb87334c5033a9b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e953a4a5f98c96bbe67cbaadf76d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e46fb91464159b80eab7c28a926b4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8cd58c8eff3c7aaf382a5539c18a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7891a014d7ea262d03ac52f65f1b170d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39a5fe25dfa0621279c95ee53749637.png)
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2023-12-22更新
|
195次组卷
|
4卷引用:新疆维吾尔自治区乌鲁木齐市新疆生产建设兵团第一中学2022-2023学年九年级上学期期末数学试题
名校
4 . 如图,正方形
的边长为10,
为
的中点,连接
,过点
作
交
于点
,垂足为
,连接
、
,下列结论:①
;②
;③
;④
;⑤
.其中正确结论有_______ (填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbfc35fc915ac7d4dc017e60ccdecbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c55ee522f41c43253050e92b3c8de31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a0fec57e09d30675bd525a8e6f70a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd5d2315989d90528325b71da461b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3601d0b4069c8893bfc820d07bc05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e46687c9654f791be14923de0fa253e4.png)
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2023-10-18更新
|
139次组卷
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2卷引用:新疆维吾尔自治区乌鲁木齐市新疆师范大学附属中学2023-2024学年八年级下学期期中数学试题
名校
5 . 如图,在正方形
中,对角线
,
交于点
,点
在
上,
交
于点
,且
为
的中点,交
于点
,连接
交
于点
,连接
.下列结论:①
;②
;③
;④
.其中正确结论的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3a3137299ffaea0545cd45323f1af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/581810864d5c5100f821221570076ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04bfff0cdca3512eac03dfb46820af54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e85aa7b51c4e203952f51d43aacfd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe42f85542728c01aead748d89451945.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/18/ff1896a3-ca84-4fd7-a8c7-448eff3158fb.png?resizew=157)
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6 . 如图,在
中,
,
,
平分
,
交
的延长线于F,E为垂足.则结论:①
;②
;③
;④
,其中正确的结论是_________ .(写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.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/c897a54f2e36bc4b52fba74b41c89d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb5baea4ac1668b674a8634e15bcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7af67cec79f49489b66f75d5d5c19f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8408cdf53667cef5c76fb3a2cec99e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c88c91f27b7318880d796059c9a1f4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/2315a095-1ba0-402b-be0b-132d3356ceb2.png?resizew=224)
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7 . 如图,△ABC为等腰直角三角形,∠BAC=90°,AB=AC=4,点D为△ABC所在平面内一点,∠BDC=90°,以AC、CD为边作平行四边形ACDE,则CE的最小值为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/5820ccb8-f282-47cb-a578-b0c4d111b212.png?resizew=167)
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2022-04-19更新
|
337次组卷
|
5卷引用:新疆维吾尔自治区新疆师范大学附属中学2021-2022学年九年级上学期期末数学试题
新疆维吾尔自治区新疆师范大学附属中学2021-2022学年九年级上学期期末数学试题2022年陕西省西安市灞桥区铁一中滨河学校中考数学二模试题(已下线)押四川卷23题 几何图形综合-备战2022年中考数学临考题号押题(四川专用)(已下线)专题17 圆与四边形结合-【微专题】2022-2023学年九年级数学上册常考点微专题提分精练(苏科版)2022年陕西省西安市灞桥区中考二模数学试题
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8 . 如图,平面直角坐标系xOy在边长为1的小正方形组成的网格中,正方形ABCD的边AD在y轴正半轴上边BC在第一象限,且
,
,将正方形ABCD绕点A顺时针旋转
(
),若点B的对应点
恰好落在坐标轴上,则点C的对应点
的坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6419152065edb8cabf887b65adb4a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea818829ca0cd4b0720a96ddc0efba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/2022/2/6/2910671922315264/2938153949102080/STEM/6af2cd3426ea4efcbe53996d7e2874d3.png?resizew=151)
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2022-03-17更新
|
528次组卷
|
7卷引用:新疆维吾尔自治区喀什地区2021-2022学年九年级上学期期末数学试题
新疆维吾尔自治区喀什地区2021-2022学年九年级上学期期末数学试题新疆维吾尔自治区喀什地区疏附县2021-2022学年九年级上学期期末数学试题(已下线)第15章 平面直角坐标系(压轴30题专练)-2021-2022学年七年级数学下学期考试满分全攻略(沪教版)江苏省无锡市宜兴市张渚徐舍联盟2021-2022学年八年级下学期期中数学试题广东省佛山市顺德区拔萃实验中学2021-2022学年八年级下学期期中数学试题广东省佛山市禅城区惠景中学2022-2023学年八年级下学期期中考试数学试卷山东省枣庄市滕州市2022-2023学年八年级下学期期中数学试题
名校
9 . 如图,
是等边三角形,E是AC的中点,D是直线BC上一动点,线段ED绕点E逆时针旋转90°,得到线段EF,当点D运动时,若AF的最小值为
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ddf2ae04265e2cbf674ab40bba45c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/21/2ad0f883-1c39-4749-a4aa-c863b9956ab9.png?resizew=242)
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2022-01-24更新
|
1257次组卷
|
4卷引用:新疆维吾尔自治区新疆师范大学附属中学2020-2021学年九年级上学期第一次月考数学试题
新疆维吾尔自治区新疆师范大学附属中学2020-2021学年九年级上学期第一次月考数学试题重庆市第八中学校2021-2022学年八年级上学期期末数学试题重庆市沙坪坝区第八中学校2021-2022学年八年级上学期期末数学试题(已下线)专题3.29 图形的平移与旋转(动点问题)(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)
名校
10 . 如图,在△ABC中,AB>AC,AE平分∠BAC,BD⊥AE于D,CE⊥AE于E,F为BC的中点,给出结论:①FD∥AC;②FE=FD;③AB﹣AC=
DE;④∠BAC+∠DFE=180°.其中正确结论的题号是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/b007925c-2b06-426b-ac98-86a5c6677020.png?resizew=194)
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2021-06-20更新
|
222次组卷
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2卷引用:新疆乌鲁木齐市第八中学2021-2022学年八年级下学期期中考试数学试题