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Figure 12
(a) A close-packed plane of circles, all of the same size. (b) A plane formed from circles having two different radii. The circles in the second plane fill space in some directions but not in others. |
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Figure 12
(a) A close-packed plane of circles, all of the same size. (b) A plane formed from circles having two different radii. The circles in the second plane fill space in some directions but not in others. |