如图,一幅壁画的最高点A处离地面12m,最低点B处离地面7m,现在从离地高4m的C处观赏它.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/cc70938a-b8f3-414c-9838-766c4feb81c2.png?resizew=161)
①若C处离墙的距离为6m,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
______ ;
②若要视角
最大,则离墙的距离为______ m.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/cc70938a-b8f3-414c-9838-766c4feb81c2.png?resizew=161)
①若C处离墙的距离为6m,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
②若要视角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
2023·北京·模拟预测 查看更多[2]
更新时间:2023-03-29 14:11:29
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