1 . 如图所示,在矩形
中,
,
,矩形内部有一动点
满足
,则点
到
,
两点的距离之和
的最小值为( ).
![](https://img.xkw.com/dksih/QBM/2019/9/16/2291829185978368/2292170043203584/STEM/ffa6a8b1b5074114bcaad9df82c7f3a9.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79cb048f1d553e7fa0b5f0bb45b8f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
![](https://img.xkw.com/dksih/QBM/2019/9/16/2291829185978368/2292170043203584/STEM/ffa6a8b1b5074114bcaad9df82c7f3a9.png?resizew=174)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-09-16更新
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3卷引用:河北省唐山市遵化市2022-2023学年八年级下学期7月期末数学试题