如图,
是等边三角形,点A、B在第一象限,已知
,则点B的横坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50edfb9ed0d50d6f35ad6a130208d307.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/25/82b0757b-694f-4ebb-b86c-8cca81ef3ca2.png?resizew=134)
更新时间:2023-07-25 21:59:29
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