1 . 如图,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5f6cb95e67eb160e4a8627a81c6e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b83407b7a590f1529162e79b8073a62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/a64e038f-a98c-4029-87d5-4b90da0bf8c1.png?resizew=130)
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2 . 如图,点
,
,
,
在一条直线上,
,
,只需添加一个条件______ ,即可证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958b45552f9fa1a60016483bd8246be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac61f3477e623aa4f924a82bd7a06ce4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/9aebb8e6-c6b3-4b24-b621-8ec9530b9795.png?resizew=230)
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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)
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4 . 如图,
相交于点
,且
,
,则
,理由是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/ca53e89a-41ed-46ad-a2a7-b66a8153a410.png?resizew=201)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93949d8a15aca4e79cedb978590571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798d64de38e9d572ff83d68368ad0d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea76d20f1b5236411cda78c91e55ec5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a19c5d03c413746b2ce45730e2f7344.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/ca53e89a-41ed-46ad-a2a7-b66a8153a410.png?resizew=201)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 如图,已知
,若根据“
”判定
,需要补充的一个条件是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908fad3dc6fe1b0675c870328f043ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1078a36622fb5faf524430accd88efcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf08db6ce9baab2c0133e74a8848e4e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/4ba6938a-fd7d-4d85-8a30-ada513be93aa.png?resizew=229)
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6 . 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:山东省淄博市周村区2023-2024学年七年级上学期期中数学试题
名校
7 . 如图,四边形
中,M是
的中点,
过点M,与
交于点E,与
的延长线交于点F,请在下列四个条件中:
①
;②
;③
;④M是
的中点.
选出一个作为已知条件,推出
.并证明.(写出一种即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/0e74c96c-c9ec-489d-81f8-421dac42d1aa.png?resizew=173)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4a94e65672e52bac3e6c927b0a66d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
选出一个作为已知条件,推出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339ffab343ccede8c9bf52da262396e9.png)
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8 . 下列与图1三角形全等的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/a8ce9cf9-dd5f-4631-abdb-ad4ce0bb5467.png?resizew=385)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/a8ce9cf9-dd5f-4631-abdb-ad4ce0bb5467.png?resizew=385)
A.①② | B.②③ | C.①③ | D.只有① |
您最近一年使用:0次
名校
9 . 在生物实验课上,老师布置了“测量雉形瓶内部底面内径”的任务.小亮同学想到了以下这个方案:如图,用螺丝钉将两根小棒
,
的中点
固定,利用全等三角形的性质,只要测得
,
之间的距离,就可知道内径
的长度.此方案中,判定
和
是全等三角形的依据是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/9d60384c-3ec4-4766-a222-255390891490.png?resizew=68)
![](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/c5db41a1f31d6baee7c69990811edb9f.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/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96bcaab1157f577919c7abc73a66ebd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/9d60384c-3ec4-4766-a222-255390891490.png?resizew=68)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 如图,要测量池塘两岸相对的两点A,B的距离,作线段
与
相交于点O,若
,
,则A、B两点间的距离为 _______ m.
![](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/cab24bbc7533e4026501cf6bd74f710c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a32ed6a3516de73d6fe37553f3d00a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/a23775e4-b2b7-4d31-9334-9b7dc3565f20.png?resizew=102)
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