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McKnifeFlag for Germany

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The perfect fit

Another little puzzle. If you solve this one, you might like my next one, too.


Take 7 coins of equal value.

Place one in the middle and the other six around it - you'll see that they fit perfectly.


Question: why 6? What's the math behind it? Can you prove that 6 is correct?


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Cyril Joudieh
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ASKER

Nice drawing.
Yes, Cyryl, perfect.
Are you interested in tiles? See my final fun Q for today: https://www.experts-exchange.com/questions/29227897/Tiling-with-regular-polygons.html

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Member_2_231077

I ended up with 8 coins.
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Lol. Yes, if the coins are not round...