标题: 1986 Problem A Hydrographic Data [打印本页] 作者: huashi3483 时间: 2004-12-17 18:46 标题: 1986 Problem A Hydrographic Data The table below gives the depth Z of water in feet for surface points with rectangular coordinates X, Y in yards [table of 14 data points omitted]. The depth measurements were taken at low tide. Your ship has a draft of five feet. What region should you avoid within the rectangle (75,200) x (-50, 150)?
