如图,
中,D为
边上一点,
的延长线交
的延长线于F,且
,
.
是等腰三角形;
(2)当
等于多少度时,
是等边三角形?请证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becb00e0bd65d2fe3cc6b4869c093aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e8c257f5615d30660cef4157c6b273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
23-24八年级上·广东惠州·期中 查看更多[4]
广东省惠州市惠城区惠南学校2023-2024学年八年级上学期期中数学试题(已下线)清单05 等腰三角形、等边三角形的性质与判定(22种题型解读(75题))-2023-2024学年八年级数学上学期期末考点大串讲(苏科版)(已下线)专题1.1 等腰三角形(知识梳理与考点分类讲解)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)(已下线)第一章第02讲 等边三角形的性质与判定 (4类热点题型讲练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(北师大版)
更新时间:2023-12-08 12:31:21
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【推荐1】如图,∠1=∠2,∠A=∠B,AE=BE,点D在边AC上,AE与BD相交于点O.
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