Exactly how many triangles can you count in this fun triangle puzzle?

No, a visual puzzle isn’t just another fancy word for a jigsaw puzzle—though a jigsaw puzzle is a type of visual puzzle. The concept of visual puzzles is much broader than that. This guide will ...

For over a century, a simple yet tricky math problem had continued to baffle experts. Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange ...