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P=a*b
więc 0,8m*4m=3,2²
Odp. Pole ścieżki wynosi 3,2m²
6x4=24
pole trawnika + sciezki=
6,8x4,8=32,64
32,64-24=8,64
pole sciezki = 8,64m²
Sciezka jest wokolo wiec naokolo chodnika