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Pp=16*5=80cm²
Pb=2*16*8+2*5*8=256+80=336cm²
Pc=2*80+336=160+336=496cm²
B)Pp=10*8=80cm²
Pb=2*10*4,5+2*8*4,5=90+72=162cm²
Pc=2*80+162=242cm²
c)Pp=5*3,5=17,5cm²
Pb=2*5*7+2*3,5*7=70+49=119cm²
Pc=2*17,5+119=35+119=154cm²
d) 1,4m=140cm 2m=200cm
Pp=140*200=2800cm²
Pb=2*140*97+2*200*97=27160+38800=65960cm²=6,596m²
Pc=5600+65960=71560cm²
e)Pp15*15=225cm² jest to sześcian
pc=6*225=1350cm²