Nonagono Normale

Autori

  • Sotìris Goudouvàs 1st Lyceum of Argyroupolis

Parole chiave:

Nonagono normale, costruzione geometrica, ciclotomia, nomarono regolare stellato

Abstract

Nel presente lavoro studiamo la costruzione dell’nonagono regolare, ovvero la divisione del cerchio in nove parti uguali. Dimostriamo che la sua costruzione con la riga e il compasso è impossibile e presentiamo i due nonagoni stellati regolari.

Biografia autore

Sotìris Goudouvàs, 1st Lyceum of Argyroupolis

Sotiris Goudouvas obtained a degree in mathematics from the University of Ioannina (Greece) and later obtained a degree in Civil Engineering from EM of Athens.
He holds two Master's Degrees in Teaching Methodology and History of Mathematics from the University of Athens and Modern and Contemporary History from Panteion University of Athens.
He is the author of the book Geometric Routes (2015) and has written various articles in mathematical journals on the History of Mathematics and Geometry.
Is a researcher in didactics of Geometry.
He works as a Mathematics teacher at the 1st Lyceum of Argyroupolis (Greece).

Riferimenti bibliografici

Gountouvas Sotiris, (2017). Geometrical Routes, Athens.

Gountouvas Sotiris, (2019). The Regular Heptagon, EDiMaST, 5, 689-695.

Stamatis Evangelos, (1975). Euclid’s Elements (???????? ?????????), Athens.

Tsimbourakis Demetrios, (1985). Geometry in ancient Greece, Athens.

Fraleigh John, (1989). A first course in Abstract Algebra, Addison-Wesley Publishing Company, NY.

Sir Tomas L. Heath, (2001). A History of Greek Mathematics (translated in Greek), K.E.E?.??, Athens.

##submission.downloads##

Pubblicato

2020-11-15

Come citare

Goudouvàs, S. (2020). Nonagono Normale. EDiMaST: Esperienze Didattiche Con Matematica, Scienze E Tecnologia, 6, 1–7. Recuperato da https://www.edimast.it/index.php/edimast/article/view/70

Fascicolo

Sezione

Articoli - Esperienze e Ricerca

Puoi leggere altri articoli dello stesso autore/i