1 . 如图,
,
,
、
交于点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb27272b4eb9ed057dd3b4d40697e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffb7fe544f80e589b9f932077e8ed95.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/ea76d20f1b5236411cda78c91e55ec5d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/dc38e27f-517d-4ca1-a646-278502e78605.png?resizew=172)
您最近一年使用:0次
2023-07-19更新
|
533次组卷
|
5卷引用:广东省梅州市五华县大都中学2022-2023学年八年级下学期开学考试数学试题
广东省梅州市五华县大都中学2022-2023学年八年级下学期开学考试数学试题湖北省孝感市云梦县2019-2020学年九年级下学期期中数学试题(已下线)第12单元03巩固练(已下线)专题12.33 全等三角形(全章分层练习)(培优练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(人教版)(已下线)专题1.33 全等三角形(全章分层练习)(培优练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)
2 . 如图,矩形
中,
,
,把矩形沿对角线
所在直线折叠,使点
落在点
处,
交
于点
,连接
.则以下结论:①
,②
,③
,④
是等腰三角形,其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7fa3aea72ccc36948a4a90f7368f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac943d8c2eb91c0082ada87857d1ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6c6e7c025362c46a64a8956761f08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b684442df6042ab412bf8aa81906e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7d047b444f22d4477ddcadbe7f3ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609b169eaac88413ae349bad8818a9d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b2d5386945775470b9cf5b29dcaa23.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/2bbbf08e-b098-4ada-8c71-11f07d8c9981.png?resizew=141)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
3 . 如图,锐角
按下列步骤图:①在射线
上取一点
,以点
为圆心,
长为半径作圆弧
,交射线
与点
,连接
;②以点
为圆心,
长为半径作弧,交弧
于点
;③连接
,
.作射线
.根据以上作图过程及所作图形,下列结论中错误的是( )
![](https://img.xkw.com/dksih/QBM/2023/6/30/3270793842442240/3284239307202560/STEM/71db5fa100ad43cbb54a4267e0d4d18b.png?resizew=197)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
![](https://img.xkw.com/dksih/QBM/2023/6/30/3270793842442240/3284239307202560/STEM/71db5fa100ad43cbb54a4267e0d4d18b.png?resizew=197)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
您最近一年使用:0次
4 . 如图,四边形
的对角线
与
相交于
点,
,
.
(1)求证:
平分
.
(2)求证:
.
![](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/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a16dc02090b6e9263555061f14fbc8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/1/e5858105-865b-4b1c-9c7a-35edb0f1f30d.png?resizew=223)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727ad3e630a224303d6d3b8ad5c114ba.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9ea68dbddf33f0fed8f35a1fd5c90b.png)
您最近一年使用:0次
5 . 如图,在
中,
,点
为
的中点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0c46783b77cce2bd4b45b9acc61884.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14814fdc3ca8034bbd97cb76bed9c9d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0c46783b77cce2bd4b45b9acc61884.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/17/8e5b7eef-2265-4f33-b4ec-0ebefd8b329a.png?resizew=120)
您最近一年使用:0次
名校
6 . 如图,将
绕点B逆时针旋转α得到
,
的延长线与
相交于点F,连接
,
,
.
(1)求证:
;
(2)猜想线段
的数量关系,并证明你的猜想.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe4bdc5d9e833b23a1b916c06fc1a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54258542263e9ae20e886e5012903faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad1ebf10f243df91b855d2953817d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d599ed70468036fb95b72012e510ed9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/17/5a22ac03-d853-4dd4-b4bb-82220d22c15e.png?resizew=147)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dd3404d388aa299fad6f2c9526c875.png)
(2)猜想线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6c4eaf326e3de4dc21316fb104326b.png)
您最近一年使用:0次
2023-07-13更新
|
155次组卷
|
2卷引用:广东省东莞市东莞中学松山湖学校2022-2023学年九年级上学期期中数学试题
7 . 如图,
,直线
与直线
之间的距离为4,点
是直线
与
外一点,点
到直线
的距离为2,点
,
分别是直线
与直线
上的动点,以点
为圆心,
的长为半径作弧,再以点
为圆心,
的长为半径作弧,两弧交于点
,则点
与点
之间距离的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027830fc47290062692964077ee481e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.6 | B.8 | C.10 | D.12 |
您最近一年使用:0次
2023-07-07更新
|
410次组卷
|
7卷引用:广东省深圳市龙华区2022-2023学年八年级下学期期末数学试题
广东省深圳市龙华区2022-2023学年八年级下学期期末数学试题(已下线)专题9.10 平行四边形(分层练习)(提升练)-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18.4 平行四边形(分层练习)(培优练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(人教版)(已下线)专题6.3 平行四边形的判定(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)(已下线)专题6.17 平行四边形(常考核心知识点分类专题)(培优练)-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)(已下线)八年级数学期末模拟卷02(北师大版,一~六章)-学易金卷:2023-2024学年初中下学期期末模拟考试河南省新乡市红旗区红旗区明昌学校2023-2024学年八年级下学期期中数学试题
名校
8 . 如图,
、
分别是正方形
的边
、
上一点,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24dfa37067ff455888ebe076eeb1fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e31edc5b71c488ca9942d70d9298f01.png)
您最近一年使用:0次
真题
名校
9 . 阅读以下作图步骤:
①在
和
上分别截取
,使
;
②分别以
为圆心,以大于
的长为半径作弧,两弧在
内交于点
;
③作射线
,连接
,如图所示.
根据以上作图,一定可以推得的结论是( )
①在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ba6d3a4b110f65a8d203aeadd03ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cbad6599796efc1c177ae9349feda9.png)
②分别以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b840be5852709e18ea985954545e78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
③作射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32524950cf6129b33a98fb8a7139582e.png)
根据以上作图,一定可以推得的结论是( )
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-06-26更新
|
3020次组卷
|
40卷引用:广东省汕头市龙湖区2023-2024学年八年级上学期期末数学试题
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10 . 如图,
与
交于点
,①
;②
;③
,请以①②③中的两个作为条件,另一个为结论,写出一个正确命题.
(1)正确的命题是:____________________(格式:由××,得×;上述×用前面数字代号①②③表示).
(2)从你写出的正确命题中选一个加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d2530e7023b2345c651e8f53629ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1393308bc68322f50fa29702dd412263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c220eadc312101e2fb89dfe920f7b30d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/1/5b460a71-e143-4361-9a8a-b2d421dcdf76.png?resizew=222)
(1)正确的命题是:____________________(格式:由××,得×;上述×用前面数字代号①②③表示).
(2)从你写出的正确命题中选一个加以证明.
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