A geometry problem over a century old has just found its definitive answer. Mathematicians have confirmed that the solution ...

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

The problem, known as “Dudeney’s dissection” or the “haberdasher’s problem,” was first posed in 1902 when a self-taught English mathematician and puzzle columnist Henry Dudeney ...

Dudeney’s original solution for transforming an equilateral triangle into a perfect square through dissection involves only four pieces, a solution that has now been proved to be the optimal ...

TOKYO -- A Japan-U.S. research team on March 10 offered a mathematical proof that "Dudeney's dissection," a challenge to cut an equilateral triangle and use the parts to create a square with the ...