niceygraham200ov46fq niceygraham200ov46fq

04-05-2018
Mathematics

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choixongdong choixongdong

04-05-2018

C of circle P = 2πr = 2π(7) = 14π
C of circle R = πd = 8π

14π - 8π = 6π

answer
6π

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