如图,在正方形ABCD中,E,F分别为BC,CD的中点,点G在CD边上,
,AG交BF于点H,连接
.下列结论:①
;②
;③
;④
,其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/e7860ce1-efa6-467a-9ebd-ceb3ec4ce88c.png?resizew=222)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e34424f7c710467f3bc68dd82acebfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4710f8855ebceb692767607b77aa98.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce1cad843ad23dbfe880f7942687520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5e0cddf82fcdc05938f5ca945e7155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc19a0d17da096d1c1d5ac31fa1896f9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/e7860ce1-efa6-467a-9ebd-ceb3ec4ce88c.png?resizew=222)
A.4个 | B.3个 | C.2个 | D.1个. |
2022·广东广州·二模 查看更多[6]
2022年广东省广州市景中实验中学九年级下学期二模数学试题(已下线)第17讲 解直角三角形-【帮课堂】2022-2023学年九年级数学下册同步精品讲义(苏科版)(已下线)专题19 等腰三角形-备战2023年中考数学一轮复习之必考点题型全归纳与分层精练(全国通用)2022年广东省广州市海珠区景中实验中学中考二模数学试题2023年广东省深圳市桂园中学中考模拟数学试题江苏省南京市玄武区南京玄武外国语学校2023-2024学年九年级下学期3月月考数学试题
更新时间:2022-10-09 15:03:16
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【推荐1】如图,在平行四边形
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分别是
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【推荐2】如图,已知等边三角形△ABC边长为a,等腰三角形△BDC中,∠BDC=120º,∠MDN=60º,角的两边分别交AB,AC于点M,N,连结MN.则△AMN的周长为( )
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【推荐1】如图,四边形
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