In graph theory, a graph is a network of lines, called edges, and points where they meet, called vertices. Century-old math puzzle. After 122 years, a team of mathematicians has finally solved the ...

Henry Dudeney, a self-taught English mathematician and puzzle columnist, asked his readers to dissect an equilateral triangle into the smallest number of pieces that could be rearranged into a square.

A London-based dentist has uncovered a hidden detail in Leonardo da Vinci ’s famous Vitruvian Man drawing, revealing a ...

Over 120 years ago, Henry Ernest Dudeney posed the famous dissection problem of transforming a triangle into a square by cutting it into as few pieces as possible. In a new study, researchers have ...

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?

This geometric figure — first identified by dentist William Bonwill in 1864 — is formed by connecting the two points where ...