已知长方体
的棱长分别为3、4、5,一只蚂蚁由长方体的顶点
出发,沿长方体表面爬行到点
,则蚂蚁爬行的最短路程长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/90a3d1ab-533a-4919-83e7-cd3b57ea867f.png?resizew=179)
更新时间:2019-01-30 10:40:16
|
【知识点】 棱柱的展开图及最短距离问题
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
【推荐1】如图,直三棱柱
中,
,
,
,
为线段
上的一动点,则当
最小时,
的面积为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62eccb33ea66c03222468628f74d8c56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cda87e738892de66c998a7fcdcaaf8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39417d678f2db936ca1dc42b7d6a08c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5805fb46aca75249b9723443ec2c7a.png)
![](https://img.xkw.com/dksih/QBM/2015/2/6/1571985943601152/1571985949409280/STEM/2cfffff7ac774d7ca0d815936444813d.png?resizew=121)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】在直三棱柱
中,
,
是
上一点,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede6a60cad0e0b58e1549fda6e085719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7cb019626181269655af39b685ccf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c4ad6c77a6459a37bc398ecd5e5253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f3402c97796fcfafc15d5d293eb045.png)
您最近一年使用:0次