У вашего броузера проблема в совместимости с HTML5
Find 1500+ education videos available at http://www.youtube.com/IkenEdu
Another Maths lesson is here from math for kids series. In this lesson you will learn about the area and perimeter of an object. Every object of this planet has area and perimeter.
In this video, Nicky and JC try to figure out the area and perimeter of the paintings. While watching this video you can learn everything about area and perimeter of an object.
Enjoy Maths for kids series of learning mathematics.