如图,某水库堤坝横断面迎水坡AB的坡比是1:
,堤坝高BC=50m,则迎水坡面AB的长度是:_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/2019/3/13/2159590535667712/2159884813156352/STEM/b45028004110414fa46dd6c7bbab591c.png?resizew=104)
更新时间:2019-03-13 23:59:48
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【知识点】 坡度坡比问题(解直角三角形的应用)
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