古埃及人用下面方法画直角把一根长绳打上等距离的13个结然后用桩钉成如图所示的一个三角形其中一个角便是直角请说明这种做法的根据 20 Sketch Coloring Page

古埃及人用下面方法画直角把一根长绳打上等距离的13个结然后用桩钉成如图所示的一个三角形其中一个角便是直角请说明这种做法的根据 20 Template

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tomski古埃及人用下面方法画直角把一根长绳打上等距离的13个结然后用桩钉成如图所示的一个三角形其中一个角便是直角请说明这种做法的根据 20 coloring

古埃及人曾用下面的方法得到直角如图所示他们用13个等距的结把一根绳子分成等长的12段一个工匠同时握住绳子的第1个结和第13个结两个助手 sketch template

古埃及人用下面方法画直角把一根长绳打上等距离的13个结然后用桩钉成如图所示的一个三角形其中一个角便是直角请说明这种做法的根据 20 sketch template

本题满分9分古埃及人在没有特殊工具的时候用以下的方法来得到直角：将一根绳子12等分，在3个单位长和7个单位长的地方做好标记，然后将绳子连成 sketch template

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