如图,在矩形
中,
垂足为
,点
分别在
上,则
的最小值为 ___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ba29999cab72abb6217e275261a38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24301059407b9442a3ba83fee08341d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e17966797ec9e37f56c1193af65ebf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b566c7ac7c852dc138f9bc50ad4b09c6.png)
更新时间:2020-04-19 13:30:01
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【推荐1】如图,圆柱底面周长为
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【推荐2】如图所示,圆柱形玻璃容器,高19cm,底面周长为30cm,在外侧下底面点
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【推荐1】在△ABC 中,∠C=90°,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62eccb33ea66c03222468628f74d8c56.png)
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【推荐1】如图,
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/12/e27fe1ce-2af0-4c1e-990b-458b2f6c42c5.png?resizew=132)
(1)则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa0f4484f901bb727fbeae1a044d714.png)
_______ .(用含
的代数式表示)
(2)当
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_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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