如图,已知
是
上一点,如果
,
,点
,
分别在
,
上,那么下列比例式中正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/9/11/2288349243703296/2290018269863936/STEM/0d95b0f5850b44fdbc5609fdc7eb8f46.png?resizew=166)
![](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/95a078495ba47076ccaa28b46f765d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4dd4faa9e59fa8e282ecec970d3d2cb.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2019/9/11/2288349243703296/2290018269863936/STEM/0d95b0f5850b44fdbc5609fdc7eb8f46.png?resizew=166)
A.![]() | B.![]() | C.![]() | D.![]() |
18-19九年级上·上海浦东新·阶段练习 查看更多[4]
上海市浦东新区上海第二工业大学附属龚路中学2018-2019学年九年级(上)第一次朋考数学试题(五四学制)上海市曹杨二中附属江桥实验中学2020-2021学年九年级上学期期中数学试题(已下线)课时27.2.1 相似三角形的判定 -2021-2022学年九年级数学下册链接教材精准变式练(人教版)上海市华东模范中学2022-2023学年九年级上学期期中考试数学试卷
更新时间:2019-09-13 12:37:00
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【知识点】 由平行判断成比例的线段解读
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适中
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【推荐1】已知菱形
,
、
是动点,边长为5,
,
,则下列命题中正确的是( )
①
;②
为等边三角形;③
的边长最小值为
;④若
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.
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd549c7e7c49bb7b9648116b2f48024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e5a933a2a0ff3a28009cc989293ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e5a933a2a0ff3a28009cc989293ff5.png)
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A.①② | B.①③ | C.①②④ | D.①②③ |
您最近一年使用:0次
单选题
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适中
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【推荐2】如图,已知
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/86024c63-1286-41c8-87bd-59a3893d4032.png?resizew=89)
A.![]() | B.![]() | C.![]() | D.![]() |
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