Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange it into a ...
Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...
In 1907, the English author and mathematician Henry Ernest Dudeney posed a puzzle: Can any equilateral triangle be cut into as few pieces as possible that will fit together to form a perfect square?