Interesting Engineering on MSN7d
Century-old triangle-to-square dissection puzzle finally solved by mathematiciansMathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange it into a ...
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How to Use a Speed Square for DIY ProjectsLearn More › Also known as a rafter square or triangle square ... you can still use this multitasking wonder as a scribing tool, a protractor, a miter square, a try square, or even a saw ...
With a simple swivel, the pieces spun around to transform the triangle into a square. The exhibit traces its origin to a mathematical puzzle published in a 1902 newspaper. Henry Dudeney ...
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