Undiluted Hocus-Pocus: The Autobiography of Martin Gardner

被引:0
|
作者
Hatfield, Neil J. [1 ]
机构
[1] Penn State Univ, State Coll, PA 16801 USA
来源
MATHEMATICS ENTHUSIAST | 2023年 / 20卷 / 03期
关键词
D O I
暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Begin with a strip of paper 11 inches long and 2.5 inches wide. Orient the strip so that the long sides form the top and bottom. Draw a line along the length of the strip half an inch from the top. Place a mark on this line half an inch from the left side, label A. From A, draw five more marks, each 1.75 inches from the last; label them B-F. Draw one last mark 7/8 of an inch after F, called G. Draw a perpendicular line from G across the strip widthwise. Draw a diagonal line that is 1.75 inches long from mark F to the line extending from G; call the point of intersection H.
引用
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页码:198 / 206
页数:10
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