如图,经过村庄
有两条夹角为
的公路
,
,根据规划在两条公路之间的区域内建一工厂
,分别在两条公路边上建两个仓库
,
(异于村庄
),要求
(单位:
).
![](https://img.xkw.com/dksih/QBM/2022/5/30/2990593685069824/2992227607011328/STEM/57a02870-ffde-4ef5-a90c-7e262a95da13.png?resizew=184)
(1)当
时,求线段
的长度;
(2)问如何设计,使得工厂产生的噪音对居民的影响最小?(即工厂与村庄的距离最远)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd43cabbd47c77ac976ccfd3229dae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba2bc2dfd9732aa4f90a0d2d23c7bba.png)
![](https://img.xkw.com/dksih/QBM/2022/5/30/2990593685069824/2992227607011328/STEM/57a02870-ffde-4ef5-a90c-7e262a95da13.png?resizew=184)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2efc11761a1749bc90bcf95fdb18cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(2)问如何设计,使得工厂产生的噪音对居民的影响最小?(即工厂与村庄的距离最远)
更新时间:2022-06-01 23:25:33
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