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a=5cm
b=10cm
c=2cm
Pp=ab=5*10=50cm^2
Pb=2ac+2bc=2*5*2+2*10*2=20+40=60cm^2
pole calkowite bryly
Pc=2Pp+Pb=2*50+60=100+60=160cm^2
objetosc bryly
V=Pp*H=50*2=100cm^3
P - pole
V= 5cm*10cm*2cm = 100cm[3] (sześciennych)
P = 2ab + 2bH + 2aH = 2*5*2 + 2*2*10 + 2*5*10 = 20+40+100=160