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 ...

2D shapes can be described by their sides, their angles and their symmetry. The sides might be equal in length and some might be parallel. The angles could be right angles, but sometimes they are ...

Tempered glass is essential for smartphone protection these days. However, there are many different types of tempered glass ...