# The Regular Polygons

## Welcome to our Geometry Class!

For topic 1, we are going to discuss about Polygons.

Exploring Regular Polygons
Use the slider to change the number of sides of this regular polygon

What is the relationship between
a) the number of sides of the polygon, the length of its side and its Area?
b) the number of sides and the number of diagonals?
c) the number of sides and the number of non-overlapping triangles formed by connecting two vertices of the polygon?

What type of regular polygon that has 11 sides?

## Reference figure for the next question.

What kind of polygon is shown in the figure above?