如图,点D、E在△ABC的BC边上,AB=AC,AD=AE.
(1)如果∠BAC=100°,则∠B= °;
(2)求证:BD=CE.
(1)如果∠BAC=100°,则∠B= °;
(2)求证:BD=CE.
![](https://img.xkw.com/dksih/QBM/2021/11/25/2859047739187200/2867292382183424/STEM/e28b6ea5-bfd7-4dfc-b777-dd011621d989.png?resizew=192)
21-22八年级上·河南信阳·阶段练习 查看更多[2]
河南省信阳市潢川县2021-2022学年八年级上学期11月月考数学试题(已下线)第2章 轴对称图形全章复习攻略与检测卷(2个概念5个性质3个判定2个应用1个技巧3种思想)-【帮课堂】2023-2024学年八年级数学上册同步学与练(苏科版)
更新时间:2021-12-07 11:04:11
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【推荐1】如图,在
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/14/c9f56e99-b8a5-47ab-b980-48b7c8512881.png?resizew=82)
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(1)使用尺规作
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(2)若
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解答题-证明题
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【推荐2】如图,在
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