SOLUTION: how many nos. of spherical balls with dia "d" can be placed in a layer of circular tank with dia. D ? thanks

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Question 1025446: how many nos. of spherical balls with dia "d" can be placed in a layer of circular tank with dia. D ?
thanks
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
There is not a closed form solution.
The solution depends on d and D.
Check https://en.wikipedia.org/wiki/Circle_packing_in_a_circle for some guidance.