如图,
过平行四边形
对角线的交点
,交
于点
,交
于点
,则:
![](https://img.xkw.com/dksih/QBM/2023/1/5/3146247739449344/3148348152610816/STEM/38988c6e1bda4ae48294c453448905a5.png?resizew=209)
①
;
②图中共有6对全等三角形;
③若
,
,则
;
④
;
其中正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2023/1/5/3146247739449344/3148348152610816/STEM/38988c6e1bda4ae48294c453448905a5.png?resizew=209)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2e3236ea30ee2c37928b98041f13a.png)
②图中共有6对全等三角形;
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499863cfb1e85db9dd48551d9dc15985.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902e973ff3988d89a5058c42dfedf33c.png)
其中正确的结论有( )
A.①④ | B.①②④ | C.①③④ | D.①②③ |
22-23八年级上·山东泰安·期末 查看更多[2]
山东省泰安市泰山区大津口中学2022-2023学年八年级上学期期末数学试题(已下线)专题9.29 中心对称图形——平行四边形(全章复习与巩固)(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)
更新时间:2023-01-08 13:13:37
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