一次台球技术表演节目中,在台球桌上,画出如图正方形
,在点E,F处各放一个目标球,表演者先将母球放在点A处,通过击打母球,使其依次撞击点E,F处的目标球,最后停在点C处,若
,
,
,
,则该正方形的边长为_________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da06322ddf9ae75c71c52c436585f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db656d0cb2254dc3caf0082e06795d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975ab623eba0b83750913381eda324c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024c0b0ba3c935c05f1d44006910a5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/2020/7/7/2500834019778560/2503382373146625/STEM/5c87940ad5dd4e219a4cac0e33a5fe8d.png?resizew=188)
更新时间:2020-07-11 07:27:23
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