如图,
平分
,
,
,
.
(1)求证:
;
(2)求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4189a0821a0ffab9dc171ecd279ba442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19766bbdc2d23ae20e9f34530c3a1543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741ea7b92508b200082ad0e9fee7ee46.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/10/5657f2d3-b5d5-4152-a62a-d79c7c93c46b.jpg?resizew=195)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
22-23七年级下·河北石家庄·期中 查看更多[2]
河北省石家庄市鹿泉区大河镇曲寨中学2022-2023学年七年级下学期期中数学试题(已下线)(期中期末真题汇编)第11章 三角形 (分层精练)-【题型分类精粹】2023-2024学年八年级数学上学期期中期末复习讲练系列【考点闯关】(人教版)
更新时间:2023-09-18 22:40:10
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