如图,在Rt△ABC中,∠C=90°,AD平分∠CAB交BC于点D,DE⊥AB于点E,且E为AB的中点.
![](https://img.xkw.com/dksih/QBM/2022/7/11/3020279706222592/3020352638066688/STEM/8b10d19ca974457faffe34603ad73a0f.png?resizew=158)
(1)求证:△ADE≌△BDE;
(2)求∠B的度数.
![](https://img.xkw.com/dksih/QBM/2022/7/11/3020279706222592/3020352638066688/STEM/8b10d19ca974457faffe34603ad73a0f.png?resizew=158)
(1)求证:△ADE≌△BDE;
(2)求∠B的度数.
20-21八年级上·云南临沧·期中 查看更多[3]
云南省临沧市云县2020-2021学年八年级上学期期中数学试卷(已下线)专题5.3简单的轴对称图形-【帮课堂】2022-2023学年七年级数学下册同步精品讲义(北师大版)陕西省西安市灞桥区西安国际港务区陆港初级中学2023-2024学年八年级上学期开学考试数学试题
更新时间:2022-07-11 17:06:05
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【推荐1】如图,已知
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