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Item 294

Penny circle

Here's a screen grab of one of @ddmeyer's videos: Penny Circle.




If this were a 0.75" circle, the penny would fit perfectly. If it's 1" then there would be a lot of wasted space. What sizes of circle would be best for packing in 0.75" pennies with as little wasted space as possible?


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Dan Meyer
GEOM

Source: Dan Meyer
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