Khan Academy on a Stick
Geometría (CA): Área, Teorema de Pitágoras
Problemas del 26 al 30, área, circunferencia, teorema de Pitágoras
If the above player doesn't work, you can try this direct link.
Problemas del 26 al 30, área, circunferencia, teorema de Pitágoras
If the above player doesn't work, you can try this direct link.