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- A step-by-step animation of the construction of a regular hexagon using compass and straightedge, given by Euclid's Elements, Book IV, Proposition 15: this is possible as 6 2 × 3, a product of a power of two and distinct Fermat primes. (en)
- When the side length is given, drawing a circular arc from point A and point B gives the intersection M, the center of the circumscribed circle. Transfer the line segment four times on the circumscribed circle and connect the corner points. (en)
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