A simple ruler and rusty compass construction of the regular pentagon - Kurt Hofstetter We construct in 13 steps a regular pentagon with given...
A 4-step construction of the golden ratio - Kurt Hofstetter We construct, in 4 steps using ruler and compass, three points two of the the...
Division of a segment in the golden section with ruler and rusty compass - Kurt Hofstetter We give a simple 5-step division of a segment into...
Another 5-step division of a segment in the golden section - Kurt Hofstetter We give one more 5-step division of a segment into golden section,...
A 5-step division of a segment in the golden section - Kurt Hofstetter Using ruler and compass only in five steps, we divide a given segment in...
A simple construction of the golden section - Kurt Hofstetter LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học Geometricorum một...