如图,已知长方体的三条棱
、
、
分别为4,5,2,蚂蚁从A点出发沿长方体的表面爬行到M的最短路程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/47bd9834-0ff1-446c-9526-ac64cbec99dd.png?resizew=131)
A.![]() | B.![]() | C.![]() | D.11 |
更新时间:2023-10-29 14:37:43
|
【知识点】 求最短路径(勾股定理的应用)
相似题推荐
单选题
|
较易
(0.85)
【推荐1】长方体的长为
,宽为
,高为
,一只蚂蚁如果要沿着长方体的表面从点A爬到点B(点B距点C为
),则蚂蚁需要爬行的最短距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc31bf4b6ed8cf336432a5a2791e67e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe9f7abf7bcf4e1aa2579cd191d7761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a9eed64d225267a58cd001db67e2a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/bc666332-b4f8-4085-9e54-56b8375a9750.png?resizew=127)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,已知圆柱底面的周长为12cm,圆柱高为8cm,在圆柱的侧面上,过点A和点C嵌有一圈金属丝,则这圈金属丝的周长最小为( )
![](https://img.xkw.com/dksih/QBM/2022/1/12/2892845785448448/2926907008565248/STEM/91a63ee5ad744342b21e61350db5d880.png?resizew=95)
![](https://img.xkw.com/dksih/QBM/2022/1/12/2892845785448448/2926907008565248/STEM/91a63ee5ad744342b21e61350db5d880.png?resizew=95)
A.10cm | B.20cm | C.![]() | D.100cm |
您最近一年使用:0次