名校
1 . 如图,
是等边三角形
内一点,将线段
绕点
顺时针旋转
得到线段
,连接
.若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e9ad6d50f5a45dbd9f70b2a0fbdeef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/791f4df9-1b41-490a-a31d-67de8ba7c853.png?resizew=161)
(1)证明![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17062bfdc915eeceba02675ad0a6207.png)
(2)求三角形
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e9ad6d50f5a45dbd9f70b2a0fbdeef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/791f4df9-1b41-490a-a31d-67de8ba7c853.png?resizew=161)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17062bfdc915eeceba02675ad0a6207.png)
(2)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1956db288a5a3b8c97d2539e9e5e4f85.png)
您最近一年使用:0次
名校
2 . 如图,点
,
在线段
上,
,
,
.
求证:
.
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c220eadc312101e2fb89dfe920f7b30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cfa2fe76009b2ea36df44b1f8bb4d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/3447a508-7299-4d13-ba9b-b044e08b7cfd.jpg?resizew=141)
您最近一年使用:0次
2023-12-17更新
|
123次组卷
|
2卷引用:福建省泉州第五中学2023~2024学年八年级上学期月考数学试题
3 . 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)
您最近一年使用:0次
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4 . 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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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
|
85次组卷
|
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.![]() |
您最近一年使用:0次
2023-12-11更新
|
184次组卷
|
5卷引用: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
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(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)
名校
7 . 如图,
,
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5324ce5fd43c5b05e8fad764880f7b3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d212c1709b8e72a055cf1b5381ef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8abfdaab699cfe51bb9678110ad6aee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb1a216ee158ed86c298455c91d168c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093b40702557d7291c5dea9dccccea2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5324ce5fd43c5b05e8fad764880f7b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/22f24429-aaa7-4e26-961a-3ce8fb2a9da5.png?resizew=196)
您最近一年使用:0次
名校
8 . 已知:如图,点
、
在线段
上,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c244edbf77fbb8e9c017515e370c5c8.png)
求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac61f3477e623aa4f924a82bd7a06ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c503e29373e8d87134bdb46bd3912910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55b90245ffa0fc859f86df88f4c7e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c244edbf77fbb8e9c017515e370c5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac61f3477e623aa4f924a82bd7a06ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/08e28aa6-b297-47a0-8fe2-a029735ae98a.png?resizew=146)
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9 . 如图,
,
平分
.证明
的依据是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/de58d7ff-3582-4db7-bd9b-6978e68128fa.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb32dae6823f572ffa028d684733c37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2892af2a890aca2c02d38a25a4aa6f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01592529c3e17c95d140a411d25d08a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/de58d7ff-3582-4db7-bd9b-6978e68128fa.png?resizew=169)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-01更新
|
151次组卷
|
4卷引用:四川省宜宾市叙州区叙州区龙文学校2023-2024学年八年级上学期11月月考数学试题
10 . 如图,在
中,
,
、
是中线,则由______ 可得
.(填“
”“
”“
”或“
”)
![](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/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e67a404f275dc210fe0d39862dcdfc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6720e36b02193db161c61d4017673760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a290f047f50481318d040c604d72f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9beb8b968744573e593ac28451c69729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4351a730f61bb998bab8f0b7848912d7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/56d3d844-6fc5-41d6-84d5-9d8c62c94283.jpg?resizew=120)
您最近一年使用:0次