Odpowiedzi

2010-02-10T16:26:49+01:00
V = Pp×H
530cm³=Pp*11cm
Pp=530cm³/11cm
Pp~48,18cm²

Pb=11cm*11cm=121cm²

Pc= 2*48,18cm²+121cm²*3=96,36cm²+363cm²=459,36cm²

Odp. Pole wynosi w przybliżeniu 459,36cm²
2010-02-10T16:36:59+01:00
V=530cm³
H=11cm
V=Pp*H
Pp=530cm³/11cm≈49cm
a=√49cm=7cm
Pśb=a*H
Pśb=7cm*11cm=77cm²
Pc=2*Pp+4*Pśb
Pc=2*49cm+4*77cm²=98cm+308cm²=406cm²