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V=a*b*H
V=3,5 cm*2cm*7,5cm= 7cm²*7,5 cm= 52,5 cm³
b) 2,5 cm ,2,5 cm ,10 cm
V=2,5 cm*2,5 cm*10cm= 62,5 cm³
Pp=3.5cm*2cm=7cm2
h=7.5cm
wiec
V=7*7,5=52.5 cm3
b)
Pp=2.5*2.5=6.25cm2
h=10cm
V=6.25cm2*10cm=62.5cm3
a)3,5cm*2cm*7,5cm=52,5 cm sześciennych
b)2,5cm *2,5cm*10cm=62.5 cm sześciennych