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VisualAPL Installer for Visual Studio 2008 [ZT] Create a Microsoft Access Database Using ADOX and Visual Basic .NET 数的分解,据说是清华的一道复试上机题 为System.Windows.Forms.FontDialog类添加Location属性 f(f(x)) = -x [zt]〖Math〗构造函数使得任意小的区间所对应的值域都是整个实数域 [zt]鸟巢、水立方:同一个地方,同一梦想 〖Math〗据传,任意锐角等于0° 爱因斯坦的超级问题(谁养鱼)SQL解法 “槑囧圐圙”您认得这些汉字吗? 根据URL提取页面的Title,根据网页的charset自动判断Encoding MSDN“MidpointRounding 枚举”中文翻译有误 C# 2.0 新特性(泛型、可空类型)应用一例 表达式计算器 Google速记 Google中国编程挑战赛第一轮 Google中国编程挑战赛资格赛 数学家 数据库访问模块
过多边形边上某点的任意直线等分面积
空军 · 2012-06-12 · via 博客园 - 空军

是否存在一个多边形,在其边上可以找到一个点,过这个点的任意直线都等分这个多边形的面积?

凸多边形显然是不可能的,因为对于凸多边形,过其边上的任意一点,都存在一条直线,使多边形在该直线的一侧。

如何构造满足题设条件的凹多边形,可参看:http://www.matrix67.com/blog/archives/5004