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Topic: Fold Octagon (Read 545 times) |
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Noke Lieu
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Fold Octagon
« on: Feb 24th, 2005, 3:29pm » |
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Starting with a square piece of paper, what is the minimum number of folds that you'd need to ensure that you've folded a regular hexagon (assume 0 thickness of paper)?
Lets count the final number of creases in the paper as the number of folds.
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Grimbal
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Re: Fold Octagon
« Reply #1 on: Feb 25th, 2005, 1:14am » |
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An octogon or a hexagon?
If you fold a paper in 4, does it count as 2 folds or 3?
Can you assume you can fold wherever you want, or do you want a method to fold a perfect hexagon without any measuring tool?
If yes and yes, I find 8 folds.
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Noke Lieu
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pen... paper... let's go! (and bit of plastic)
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Re: Fold Octagon
« Reply #2 on: Feb 27th, 2005, 2:42pm » |
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Ooops, octagon first (hexagon was for first follow up)
IF you fold paper in 4, depends how you fol dit, I guess. 
Such that you fold it, resulting in 4 identical squares, thats 2 folds.
No measuring tools, just lining up and folding.
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Grimbal
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Re: Fold Octagon
« Reply #3 on: Feb 28th, 2005, 12:36am » |
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4 folds are obviously enough for an octogon, but I would need 3 more to locate the right place to fold.
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