median
don steward
mathematics teaching 10 ~ 16

Friday, 23 December 2011

rosettes

call 'rosettes' - a number of circles that overlap as much as possible...
n = 3
r = 7



n = 4
r = 13


n = 8
r = 57















in general?
why?



if you focus your attention on the 'swirls' then each of the 8 of them has 7 regions making
8 x 7 + 1(the middle)




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