2* 5 * 3 + 2* 8 * 3 = 30 + 48 = 78 m^2
a=8m
b=5m
c=3m
Pc=a*b*c
Pc=8*5*3=120
odp pole powieżchni wynosi 120 m ³
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2* 5 * 3 + 2* 8 * 3 = 30 + 48 = 78 m^2
a=8m
b=5m
c=3m
Pc=a*b*c
Pc=8*5*3=120
odp pole powieżchni wynosi 120 m ³