Seudónimo
Seudónimo
23-03-2017
Mathematics
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Аноним
Аноним
23-03-2017
64 x 64 = 4160
1/2 (3.14 x 32^2) = 1607.68
4160 - 1607.68 = 2552.32
answer:
area of black's section = 2552.32
area of white's section = 1607.68
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