trini0504
trini0504
20-08-2018
Mathematics
contestada
How many squares will there be in figure 30 ?
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lesliekolleroxrkcf
lesliekolleroxrkcf
20-08-2018
general formula is n²+2(n+1) or n²+2n+2 so figured 30 would be 30²+2*30+2, or 962
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