Ejercicios con polígonos regulares
https://www.youtube.com/watch?v=ku_GwiCfIpk
https://www.youtube.com/watch?v=X5PQD9r41Zg
https://www.youtube.com/watch?v=uG5yOk0FZpI
https://www.youtube.com/watch?v=1tTkjo1sAI0
https://www.youtube.com/watch?v=RZDiDTaZTB0
https://www.youtube.com/watch?v=s4l-jE3RhVg
https://www.youtube.com/watch?v=sKPZSyk4rGg
https://www.youtube.com/watch?v=8-YOBRSsqpE