The problem is this: use all 12 matches to form, in similar fashion, the perimeter of a polygon with an area of exactly four ...

Polygons can be regular or irregular in shape. A polygon is a closed 2D shape with at least three sides. A regular polygon is a polygon with all equal sides and angles. An irregular polygon is a ...

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 ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Let me explain, first, what the Platonic solids are. To ...