Hi, we are here with a video about polygons. Mathematic is a practical science in our life, we need it to calculate our expenses, subtracting from our salary, predicting the future income, our task and many other thing as you know. Math also help us measuring the area of different kind of shapes. Here this video is about polygons which you of course know about them, triangle, square pentagon. Yes! So let’s get started with this video to learn more about the classification of them. The pentagon comes from penta which means five in roman and gon which means edge. Let’s watch the video.