Use a pen and ruler to draw over the vertical lines and join the dots, giving you a square. Image caption ... to the dot – you now have a regular equilateral triangle.

Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange it into a perfect square. The problem, known as “Dudeney’s dissection” or the ...

For each of the following, say whether it is true or false. For the answers, click on "Answers" at the bottom of this page (after question #22). x's being a square is a sufficient condition for x's ...

And they shall twist their paper clips into Orwellian polygons. The post Jeff Smith’s Math Puzzle for April 18, 2025 appeared first on Alameda Post.