zad kraw,podstawy a=4cm
V=320cm³
Pc=2Pp+Pb
podstawiamy:
320=2·4²+Pb
320=32+Pb
320-32=Pb
288=Pb
Pb=288cm²
pole calkowite scian bocznych wynosi 288cm²
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zad kraw,podstawy a=4cm
V=320cm³
Pc=2Pp+Pb
podstawiamy:
320=2·4²+Pb
320=32+Pb
320-32=Pb
288=Pb
Pb=288cm²
pole calkowite scian bocznych wynosi 288cm²