Two-dimensional (2D) shapes are completely flat. They have two dimensions – length and width. A polygon is a closed 2D shape with straight sides that meet at vertices. Polygons can be regular or ...

Want to find the area of shapes based on rectangles? Estimate the area of a shape based on rectangles on a grid. Next, place rows and columns of squares inside two rectangles to work out the correct ...

First let’s start with a very obvious question our students are going to have… What is geometry? Geometry is one of the oldest sciences and a branch of mathematics. It focuses on shapes and their ...

Global Forest Watch’s on-the-fly analysis tool calculates forest change within a specific area and time frame without experience using GIS software. The user can customize the area and time period of ...