Pentagon - Medieval Method of Construction Supposedly this...

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Slide 5-26: Pentagram from grave marker Calter photo The Pentagram was used as used as a sign of salutaton by the Pythagoreans, its construction supposed to have been a jealously guarded secret. Hippocrates of Chios is reported to have been kicked out of the group for having divulged the construction of the pentagram. The pentagram is also called the Pentalpha, for it can be thought of as constructed of five A's. Euclid's Constructions of the Pentagon Euclid gives two constructions in Book IV, as Propositions 11 & 12. According to the translator T.L. Heath, these methods were probably developed by the Pythagoreans.
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Unformatted text preview: Medieval Method of Construction Supposedly this construction was one of the secrets of Medieval Mason's guilds. It can be found in Bouleau p. 64. Durer's Construction of the Pentagon Another method of construction is given in Duret's "Instruction in the Measurement with the Compass and Ruler of Lines, Surfaces and Solids," 1525. Its the same construction as given in Geometria Deutsch, a German book of applied geometry for stonemasons and Golden Ratios in the Pentagram and Pentagon The pentagon and pentagram are also interesting because they are loaded with Golden ratios, as shown in Boles...
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This note was uploaded on 11/05/2011 for the course ARH ARH2000 taught by Professor Karenroberts during the Fall '10 term at Broward College.

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Pentagon - Medieval Method of Construction Supposedly this...

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