1 . 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)
您最近一年使用:0次
2 . 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
3 . 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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4 . 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
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5 . 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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6 . 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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7 . 如图,
和
相交于O点,若
,用“
”证明
还需( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/15837194-ed6f-41f7-9d87-a6e13941527c.png?resizew=122)
![](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/1c35c43d90814396ff06336fa45e9650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a290f047f50481318d040c604d72f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f4e0140dd56be5e59c314152253dc6e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/15837194-ed6f-41f7-9d87-a6e13941527c.png?resizew=122)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 在新年联欢会上,老师设计了“你说我画”的游戏.游戏规则如下:甲同学需要根据乙同学提供的三个条件画出形状和大小都确定的三角形.已知乙同学说出的前两个条件是“
,
”.现仅存下列三个条件:①
;②
;③
.为了甲同学画出形状和大小都确定的
,乙同学可以选择的条件的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b173ac8cc4ac4f1c9e1daaa605fbb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
9 . 如图,两个三角形的边和角的大小如图所示,则直接判断这两个三角形全等的依据是______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/142abecc-3b3a-4b8f-bc33-f8d9d71accfc.png?resizew=170)
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2023-11-06更新
|
177次组卷
|
3卷引用:江苏省南京市联合体2023-2024学年八年级上学期期中数学试题
名校
10 . 如图,己知
,只需补充条件______ ,就可以根据“
”判定![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b84c9371e4a03c80783e0ec52f60530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a290f047f50481318d040c604d72f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b84c9371e4a03c80783e0ec52f60530.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/28/d0c0bc93-53fa-4062-af7c-787dc241ec08.png?resizew=171)
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2023-10-29更新
|
152次组卷
|
2卷引用:福建省厦门市海沧区厦门双十中学海沧附属中学2023-2024学年八年级上学期月考数学试题