Henry Ernest Dudeney posed the famous dissection problem of transforming a triangle into a square by cutting it into as few ...

While the shapes in the puzzle seems to fit their outline, a few names and spellings were amiss, if Frankie's TikTok video is to be believed. In the clip, Frankie notes that, on the face of it ...

In 1907, the English author and mathematician Henry Ernest Dudeney posed a puzzle: Can any equilateral triangle be cut into ...

For this challenge you'll be presented with a sequence of different shapes. To solve the puzzle you will need to identify which missing shape completes the sequence. It may help to have a pencil ...