如图,为了估算河的宽度,我们可以在河的对岸选定一个目标点A,再在河的这一边选定点B和F,使AB⊥BF,并在垂线BF上取两点C、D,使BC=CD,再作出BF的垂线DE,使点A、C、E在同一条直线上,因此证得△ABC≌△EDC,进而可得AB=DE,即测得DE的长就是AB的长,则△ABC≌△EDC的理论依据是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/1e2eff07-edc3-41aa-8d9b-fad58f1380f5.jpg?resizew=171)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/1e2eff07-edc3-41aa-8d9b-fad58f1380f5.jpg?resizew=171)
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21-22八年级上·吉林长春·期末 查看更多[8]
吉林省长春市朝阳区2021-2022学年八年级上学期期末数学试题(已下线)第08讲 全等三角形的判定-ASA-【暑假自学课】2022年新八年级数学暑假精品课(人教版)(已下线)专题12.39 《全等三角形》全章复习与巩固(基础篇)(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(人教版)(已下线)1.3 探索三角形全等的条件-【帮课堂】2022-2023学年八年级数学上册同步精品讲义(苏科版)(已下线)1.4 全等三角形的判定(ASA)(培优分阶练)-2022-2023学年八年级数学上册课后培优分级练(苏科版)河南省南阳市宛城区2022-2023学年八年级上学期期中数学试题四川省泸州市纳溪区纳溪区护国中学2022-2023学年八年级上学期期中数学试题河南省驻马店市遂平县2023-2024学年八年级上学期期中数学试题
更新时间:2022-07-06 17:00:43
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【推荐1】如图,为了测量池塘两岸相对的两点
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