“准、绳、规、矩”是古代使用的测量工具, 一个简单结构的“矩”(如图①),由于使用时安放的位置不同,能测定物体的高低远近及大小,把矩放置在如图②所示的位置,令
(单位:
),
(单位:
),若
,则
关于
的函数解析式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560d09fd9c2421442e49b3cffd98e8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5022abc6afd4deff13845419fa38312e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38bf1e291d64cb4bb22bed472266ddc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5022abc6afd4deff13845419fa38312e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11d636aa1e4e5cfac4065fa35503e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-05-06 22:23:12
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,小明同学用自制的直角三角板
测量树的高度
他调整自己的位置,使斜边
保持水平,并且边
与点
在同一直线上.已知纸板
测得
离地面的高度
则树
为( )
![](https://img.xkw.com/dksih/QBM/2021/2/4/2650958954782720/2663039826706432/STEM/81a624e4-068e-4223-b232-f0d149691cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfd2cfa70c66adb6440ed5f627b12ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dfa66ec6a98917f7527ef2a7b42be8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5ec893f9e34440ee7ffa64307dee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2021/2/4/2650958954782720/2663039826706432/STEM/81a624e4-068e-4223-b232-f0d149691cde.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】阳光下同一时刻,物高与影长成正比例,如果身高为1.5m的小丽,影长为2.5m,则此时影长为30m的旗杆的高为( )
A.20m | B.18m | C.16m | D.15m |
您最近一年使用:0次