Complete this interactive activity to find out more about 3D shapes and then put your knowledge to the test. Cubes have 6 flat faces which are all the same size. Everyday things that have the shape of ...

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...

One of Excel’s greatest tricks is the dimensional or 3D reference. This feature, which allows you to create formulas that refer to the same cell or range on multiple worksheets, simplifies the ...