Geometry videos Overview 2010-2020
MEASURE IS TREASURE
Pythagoras pentagon playtime / Almada Negreiros Playtime / Measure is treasure... how to square the pentagon, how to square the earth, relationship between the simple 3,4,5 cm triangle and the inch. Etc. (©InezWijnhorst2020)
Pythagoras and leonardo’s playtime
Verification of the measures of the unfolding hypercube model by Inez Wijnhorst through the analises of the measures of the drawing of Leonardo da Vinci, based on the paper: ‘’ El Hombre de Vitruvio de Leonardo da Vinci, un trazado basado en las proporciones del folio’’ by Rafael Fuster and Jurdi Aguadé Torrell. ( academia.edu) (©InezWijnhorst2020)
Phi-tagoras and theodorus playtime
How are Phi and the 3,4,5 triangle related? Where did Pythagoras and Theodorus meet? And why did Theodorus stopped the spiral at root 17…! (©InezWijnhorst2017)
How patterns breathe …
Reflection and repetition in simple symmetry. With poems of Haji Abdu El-Yesdi. (©InezWijnhorst2012)