Dudeney's 120-year-old dissection puzzle solution proves optimal
Monday, March 10, 2025 - 11:24
in Physics & Chemistry
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? Four weeks later, he presented an elegant solution, showing that only four pieces were needed.