2023七年级下·上海·专题练习
1 . 小明不慎将一块三角形的玻璃摔碎成如图所示的四块(即图中标有1、2、3、4的四块),你认为将其中的哪一块带去,就能配一块与原来一样大小的三角形?应该带第_____ 块.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/ff08562b-c704-493d-be8f-358808a81e14.png?resizew=137)
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2023-12-24更新
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5卷引用:八年级开学摸底考(人教版,湖南长沙专用)-2023-2024学年初中下学期开学摸底考试卷
(已下线)八年级开学摸底考(人教版,湖南长沙专用)-2023-2024学年初中下学期开学摸底考试卷江苏省盐城市射阳县四校联考2023-2024学年八年级上学期阶段性考试数学试题(已下线)上海七年级下期末真题精选(常考60题25个考点专练)-【满分全攻略】2022-2023学年七年级数学下学期核心考点+重难点讲练与测试(沪教版)北京市海定区首都师范大学附属中学第一分校2021-2022学年八年级上学期期中数学试题山东省威海市临港区(五四制)2022-2023学年七年级上学期期末考试数学试题
2 . 如图,把一长一短两根细木棍的一端用绳子绑在一起,使长木棍的另一端与射线
的端点B重合,固定住长木棍,把短木棍摆动,端点落在射线
上的C、D两点位置时,形成的
和
中有
,
,
,则
与
________ (填“全等”或“不全等”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7189182cc23d759be2764d141952737b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f6c20b084a9b0fdad656f838cf9cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cbad6599796efc1c177ae9349feda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02f21f554b941f18170298daaba06e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7189182cc23d759be2764d141952737b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16a00ffc890ef8cfc038e5039983773.png)
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名校
3 . 如图,点
是四边形
内一点,且满足
,
,
,
,
,
,
分别为边
,
,
,
的中点,则四边形
的形状为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/263748f7-24d4-4bdd-a22c-8510698a23d0.jpg?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e4d19bf237a6fca67e0d01a9ddb726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed66431681da1db8f7cb0f40cd19201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2864b1cab89e9a767e3a0fc0a8c3561c.png)
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/263748f7-24d4-4bdd-a22c-8510698a23d0.jpg?resizew=162)
A.平行四边形 | B.菱形 | C.矩形 | D.正方形 |
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4 . 如图,B为线段
上一点,以
,
为腰分别作等腰
和等腰
,
,
,
,连接
交
于点F,连接
交
于点G,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/2ae77d71-ce1c-4201-9862-7eef76480e27.png?resizew=190)
(1)求证:
.
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7372745342e507f47de35243c451b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226c231c1150e27c34eb787a46b02ea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b4157345e6b5ddee34c82f8e3a3710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/2ae77d71-ce1c-4201-9862-7eef76480e27.png?resizew=190)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ff124604fe1e16405e9e835f459794.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d98ed618fc3584cdad1936bfd27b6cd.png)
您最近一年使用:0次
2023-12-13更新
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123次组卷
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2卷引用:湖南省益阳市安化县2023-2024学年八年级上学期期末数学试题
5 . 如图,点A、D、B、E在同一条直线上,
与
交于点O,已知
,
,
.
;
(2)若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c503e29373e8d87134bdb46bd3912910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47a70a2811c174e73ce1beeb80c75c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b19d7acdcdc8b0eb3ed44729314b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d6f0530c49174047e866dbf2ae1ea4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de96807e118c61f9a60e11ccb876cd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa518d4465a4da299699cfc7d98e3497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
您最近一年使用:0次
2023-12-12更新
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85次组卷
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2卷引用:江西省萍乡市安源区2023-2024学年七年级下学期月考数学试题
6 . 如图,在
和
中,点B、D、C在同一直线上,已知
,
,添加以下条件后,仍不能判定
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf542c5158cc9ed085f7524bcc2aa3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0105d0889f6fa9cb5430cf9e09337173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391c4d96cfb4e7c0f1df58a94be7218.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-11更新
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182次组卷
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5卷引用:专题4.10 探索三角形全等的条件(SSS和SAS)(分层练习)(提升练)-2023-2024学年七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4.10 探索三角形全等的条件(SSS和SAS)(分层练习)(提升练)-2023-2024学年七年级数学下册基础知识专项突破讲与练(北师大版)(已下线)第4章 三角形 全章热门考点专练(4个知识必学2个方法必会)-2023-2024学年七年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(北师大版)山东省东营市垦利区2023-2024学年七年级上学期期中数学试题山东省泰安市东平县东原实验学校(五四制)2023-2024学年七年级12月月考数学试题广西壮族自治区梧州市岑溪市糯垌中学2023-2024年八年级上学期数学试题
7 . 如图,在
和
中,A、F、C、D在同一直线上,
当添加一个条件________ 时,就可得到
(只需填写一个你认为正确的条件即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f66ee1164e6972221f7b562f0e6caf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f6da5b3bf04222ea62cd0f5c295eb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10dedf256ee47410ca8a711f760a1935.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/52b91239-a979-4dea-9280-abdb1ea9bec5.png?resizew=220)
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8 . 如图,工人师傅设计了一种测零件内径
的卡钳,卡钳交叉点O为
,
的中点,只要量出
的长度,就可以道该零件内径
的长度.依据的数学基本事实是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/cb7cc655-2bf2-4cc8-b5a4-cc217693af8d.png?resizew=229)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6024fd4532f5f981deac4582c799a6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655cc150ddc9deba2254780984d0024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/cb7cc655-2bf2-4cc8-b5a4-cc217693af8d.png?resizew=229)
A.两边及其夹角分别相等的两个三角形全等 |
B.两角及其夹边分别相等的两个三角形全等 |
C.三边分别相等的两个三角形全等 |
D.两角分别相等且其中一组等角的对边相等的两个三角形全等 |
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2023-12-11更新
|
103次组卷
|
3卷引用:天津市红桥区2023-2024学年八年级上学期期末数学试题
解答题-问答题
|
较易(0.85)
|
9 . 如图,已知
,
;②
;③
;④
得到
.你添加的条件是:________.(填序号)
(2)选择(1)中的一种情况进行证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e988754bfacf7d4a5c1b2d079346488a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5d6e7ef3f341fd85acde9f60eaaff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a510a3eb906b3ef0760b0d1723d11ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c226581e14091779321c9fe91160ceef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b69473ad1b7e56af6e45d11b8c01a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d6f0530c49174047e866dbf2ae1ea4.png)
(2)选择(1)中的一种情况进行证明.
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10 . 如图,
和
都是等边三角形,点
在
边上.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/4d75f7f2-0b1f-4699-b18c-0949e52ea665.png?resizew=116)
(1)在图中找一对全等三角形,并说明理由;
(2)在(1)中全等三角形中,其中一个是另一个经过怎样的图形变换得到的?
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/4d75f7f2-0b1f-4699-b18c-0949e52ea665.png?resizew=116)
(1)在图中找一对全等三角形,并说明理由;
(2)在(1)中全等三角形中,其中一个是另一个经过怎样的图形变换得到的?
您最近一年使用:0次