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Mathematics 22 Online
OpenStudy (anonymous):

How many circles of radius R/2 can be drawn without overlapping inside a circle of radius R?

OpenStudy (anonymous):

2 Look at https://en.wikipedia.org/wiki/Circle_packing_in_a_circle

OpenStudy (anonymous):

Even though the area of the bigger circle is 4 times larger, there's no way to fit 4 circles (or even 3) in without overlap.

OpenStudy (anonymous):

2

OpenStudy (anonymous):

OpenStudy (anonymous):

I agree that the answer is 2.

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