Mathematics How to perfectly wrap gifts of all shapes and sizes using maths Reduce wastage and enjoy deeply satisfying neat folds by applying a little geometry to your gift-wrapping, says Katie ...

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 ...

If you're missing the mark when creating 3D shapes in Microsoft PowerPoint, you might be skipping a step. Learn how to apply simple 3D effects by creating a few arrows.