Two-dimensional (2D) shapes are completely flat. 2D shapes can be found printed in a book or on a website. 2D shapes have sides and corners. A rectangle has 4 straight sides and 4 corners. A square is ...

When discussing automotive icons, no other sports car in the world comes close to Porsche's fabled 911. It's been in production for nearly half a century. Versions of it have raced all over the world ...

Tessellation is when shapes fit together in a pattern with no gaps or overlaps. These squares make a tessellating pattern. You can make a tessellating pattern from just one type of shape or a number ...