如图,点P、Q是边长为
的等边
边
、
上的动点,点P从顶点A出发沿线段
运动,点Q从顶点B出发沿线段
运动,它们的速度都为
,其中一点到达终点后停止运动.在P、Q运动的过程中,设运动时间为t秒,若
为直角三角形,则t的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/0c3b6537-848e-4db7-8536-7ecb63773697.png?resizew=130)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c596eaee514af2bec0d12f01737fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbbd11ff5f019de35a4f836a547c3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c495b8fd7f7bb21c177c9d50fbf6919.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/0c3b6537-848e-4db7-8536-7ecb63773697.png?resizew=130)
A.3 | B.2或3 | C.2或4 | D.3或6 |
2023八年级上·全国·专题练习 查看更多[1]
(已下线)清单03 轴对称 (16个考点梳理+典型例题+核心素养提升+中考热点聚焦)-2023-2024学年八年级数学上学期期末考点大串讲(人教版)
更新时间:2024-01-20 19:58:55
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