1:12000----1cm-120m
a=2,5*120=300cm=3m
b=4,2*120=504cm=50,04m
O=2a+2b
O=2*3+2*5,04=6+10,08m=16,08msiatki
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1:12000----1cm-120m
a=2,5*120=300cm=3m
b=4,2*120=504cm=50,04m
O=2a+2b
O=2*3+2*5,04=6+10,08m=16,08msiatki