如图,在
中,
平分
,
,
,则
的周长是_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60634341a9603e24b2bbc6960abe3d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
19-20八年级上·山东淄博·期末 查看更多[11]
山东省淄博市沂源县2019-2020学年八年级上学期期末数学试题安徽省宿州市砀山县铁路中学2021-2022学年八年级下学期期末数学试卷湖南省郴州市明星学校2022-2023学年八年级下学期期中数学试卷黑龙江省哈尔滨市南岗区第六十九中学2021-2022学年八年级下学期月考数学试题(五四制)山东省烟台市莱州市2023-2024学年八年级上学期期末数学试题江苏省盐城市盐都区第一共同体2023-2024学年八年级下学期3月月考数学试题江苏省盐城市初级中学2023-2024学年八年级下学期第一次月考数学试题江苏省南通市通州区通州区平潮初级中学2023-2024学年八年级下学期联合月考数学试题四川省泸州市合江县2023-2024学年八年级下学期期中考试数学试题广东省广州市白云区八校联考2023-2024学年八年级下学期期中数学试题甘肃省武威市古浪县土门九年一贯制学校2023-2024学年八年级下学期期中数学试题
更新时间:2024-03-22 12:14:23
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适中
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【推荐1】如图,正方形
中,
,点
在边
上,且
.将
沿
对折至
,延长
交
于点
,连接
,
.下列结论:
①
;
②
;
③
;
④
;
⑤
是等腰三角形.
其中正确的结论有______ (填写所有正确结论的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2698f08d94afa1cd5b81444791f4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e2233a5e812e006e037a1533d5dc8c.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851b6466fc810946d7f12926e35000d2.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d1e5fc8599f6888a65ad8c6400ba6d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba601e0853ef7ff5a2def1fd3ff87bc.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c333f2e1769473c6ada9790f841572.png)
其中正确的结论有
![](https://img.xkw.com/dksih/QBM/2021/7/14/2763982859821056/2816971276550144/STEM/1dfaac18-f538-4136-873a-a731ab790195.png)
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【推荐2】如图,直线
分别交x轴、y轴于A、B两点,C为
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【推荐1】如图,在
中,
,
,
,点P为
上一点,连接
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的长的最小值为______ .
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【推荐2】小明学习了四边形后,对有特殊性质的四边形的探究产生了兴趣,发现了这样一类特殊的四边形:两条对角线互相垂直的四边形,叫做垂美四边形,如图:已知四边形
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