When looking at a house, garage, store building or factory, or any of the other thousands of structures we live, work, and play in, look for the simple shapes. Look at the front of a house, and you ...

The sum of the angles inside any polygon can be found by spitting the polygon into triangles. Sum of interior angles = 180(n – 2) where n is the number of sides In a regular polygon all the angles are ...

Before reading this guide, it may be helpful to read the guides from Module 1 on the properties of angles and the properties of 2D shapes. The sum of the angles inside any polygon can be found by ...

In 1867, French mathematician Pierre Ossian Bonnet proved something that seemed like common sense: if you know how far apart ...