如图,在
中,
、
相交于点O,
,
,
,
的周长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c85409e4c685f7dbadae2de3cf9a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c1e75eb744576c32eed3f9d20f9558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
更新时间:2024-03-08 12:21:46
|
【知识点】 利用平行四边形的性质求解解读
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【推荐2】如图,在□ABCD中,AE⊥BD于点E,∠EAC=30°,AC=12,则AE的长为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/5f992f82-5035-49ff-9b3d-91589e82b8ce.png?resizew=294)
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