Proporción áurea

Videos:


https://www.youtube.com/watch?v=7h8dNH9Xnfg

https://www.youtube.com/watch?v=8TOyxTDJX2c

https://www.youtube.com/watch?v=JcoJHxBKOys

https://www.youtube.com/watch?v=WOGJcXPespE