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They have two dimensions – length and width ... A regular triangle is called an equilateral triangle. A regular quadrilateral is called a square. Irregular polygons are shapes that have sides ...
Interesting Engineering on MSN12d
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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