1 . 已知:如图,在
中,
,
,
于点
,且
,则
是___ 三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262a173a7cf68e06b4be175df69e2b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c3c8bf858c13b295de56e548116db9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/12/3f7e2f08-48f0-4120-bbb0-85680e9ead48.png?resizew=145)
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2023八年级上·浙江·专题练习
2 . 如图,在
中,
,D为
的中点,连接
,作
交
于点M.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd3b6b7e9aadb1189cb2a277a2f68f6.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049c55c964373a931a99697762dfe5ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d3716758d28ca47757de21e3acde74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd3b6b7e9aadb1189cb2a277a2f68f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/1a9fb3c4-b218-44e9-a7a5-6c4d8f9854b3.png?resizew=101)
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3 . 已知:如图,在
中,
平分
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
,则
的根据是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b80f6162fd1dbff226cfcb0f07f5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4193c6f7980b0eef9f934600ffdd2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/d625ad3c-4a98-4d10-9804-1fedd2497a12.png?resizew=101)
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4 . 如图,点
、
在线段
上,且
,
,要想依据“
”判定
,则还须补充一个条件是______ (填一个你认为正确的即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21d89e915c8b857db0e699361c59e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c244edbf77fbb8e9c017515e370c5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a290f047f50481318d040c604d72f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725365073c86b1163117e3fa8a92f02.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/58cf4558-cd94-4119-adce-3cb2ad437d3c.png?resizew=171)
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5 . 如图,
为
的角平分线,且
,E为
延长线上的一点,
,过E作
,F为垂足,下列结论:①
;②
与
互补;③
;④
.其中正确的是______ .(填序号)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/bb254c1f-7a63-403a-bf8a-ecf52f34f448.png?resizew=144)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78002bca853929365a3f58082f3e7637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a26c2c53046cbfe83f84f5393373589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958b15afd4f16c2a628f6bfba2b0728d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db866ecc0c098bfc32ec8a43b65bdd58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727ad3e630a224303d6d3b8ad5c114ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98de02d1d5b7ac04bce54be393218922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa1b5b6051d500fe6c6f1c19c7ee49f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/bb254c1f-7a63-403a-bf8a-ecf52f34f448.png?resizew=144)
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6 . 如图,在
中,
,
,
,点
是
内一点,则点
到
三个顶点的距离和的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4ee479000026b54146a5c6097dd6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ce4c411dfc1130d9d4992b9e0ee1f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4457f3ad78b5128a950601cf85100a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1753cdd4c407a438d39d18544f953c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4ee479000026b54146a5c6097dd6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4ee479000026b54146a5c6097dd6f4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/0afcd568-f1af-4be6-926d-42daf3d38422.png?resizew=131)
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2023七年级下·上海·专题练习
7 . 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
|
153次组卷
|
5卷引用: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)
(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 (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
23-24八年级上·吉林四平·期末
8 . 如图,在
中,
平分
,则
的值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029af1835a7df3036c4bcbdca1257c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aeaa2e7cc901d0a2261eecbc99d0c74.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/b2ed04c4-6539-41b3-b0a8-bd1dc2831da8.jpg?resizew=121)
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名校
9 .
中,D为
边中点,
,
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91f064bb73019053992fe781a53356a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f20c0125350eefaaa203a7ea5e6759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5134a79536d92537df6d160066499bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157374bf68dbd037c6906fb346a27dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/4da650ea-8519-414d-856a-d78acaac5585.png?resizew=199)
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10 . 全等三角形是几何证明很重要的数学工具,如图所示的两个三角形中,
,
,再添加一个条件____________ 就可以判定
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958b45552f9fa1a60016483bd8246be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da8fe8f5f8a3f17561d70652ad1172a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd123a1f52dd7db2016ef8702af9c8e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/0c37721d-58a0-412d-8349-6b61108ac9ee.png?resizew=196)
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