如图平面四边形
的对角线的交点位于四边形的内部,
,
,
,
,当
变化时,对角线
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf10d92f20501e19d25f6f4159aab89.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/861c49b6-6ee3-4c4f-a440-2484c7254788.png?resizew=188)
15-16高三·广东深圳·阶段练习 查看更多[6]
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更新时间:2019-04-10 15:32:19
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