如图所示,四边形
是平行四边形,其中
,垂足为
,若
,
,
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4744b427f036dfbc6db68c87cd5c54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062916b63e1dd152489241965d98983e.png)
更新时间:2024-05-28 16:15:28
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