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Scope: Hai Dao Suan Jing Request type: Paragraph
Condition 1: Contains text "今有登山望樓樓在平地" Matched:1.
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海岛算经 - Hai Dao Suan Jing

[Three Kingdoms] 263
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5 海岛算经:
今有登山望楼,楼在平地。偃矩山上,令句高六尺。从句端斜望楼足,入下股一丈二尺。又设重矩于上,令其间相去三丈。更从句端斜望楼足,入上股一丈一尺四寸。又立小表于入股之会,复从句端斜望楼岑端,入小表八寸。问楼高几何?
答曰:八丈。
术曰:上下股相减,馀为法;置矩闲,以下股乘之,如句高而一。所得,以入小表乘之,为实。实如法而一,即是楼高。

Total 1 paragraphs. Page 1 of 1.