如图,在菱形
中,
,点
,
分别是
,
上任意的点(不与端点重合),且
,连接
与
相交于点
,连接
与
相交于点
.给出如下几个结论:①
;②若
,则
;③
与
一定不垂直;④
的大小为定值.其中正确的结论有________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5fc4ad65b723b6a8da4c8dac154e6e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff56ea00ca90825f3d95809de24f639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffbc956b180d21a9d2f7cb237d1d61c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecf1b0b4d14ee826f3d8a1edfafe2d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae691ec6b9d8c196fc794e3ae4d3c7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4550bb8f51b698334a79a4c45980f9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/6d2cd1d5-6e8d-4d69-9d39-697d56765cb9.png?resizew=169)
更新时间:2024-01-11 19:58:42
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