a=4 cm
V=Pp·H
V=80 cm³
Pp=a²=16 cm²
80=16·H
H=5 cm
Pc=32+4·20=112 cm²
4cm*4cm=16cm2
80cm3/16cm2=5cm
wymiary:
5cm, 4cm, 4cm
P=(4cm*4cm)*2 + (5cm*4cm)*4=112cm2
Odp. Pole wynosi 112cm2.
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a=4 cm
V=Pp·H
V=80 cm³
Pp=a²=16 cm²
80=16·H
H=5 cm
Pc=32+4·20=112 cm²
4cm*4cm=16cm2
80cm3/16cm2=5cm
wymiary:
5cm, 4cm, 4cm
P=(4cm*4cm)*2 + (5cm*4cm)*4=112cm2
Odp. Pole wynosi 112cm2.