1. a=1m b=6m c=7m
Pc=2Pp+Pb
Pc=2*a*b+2*b*c+2*a*c
Pc=2*1m*6m+2*6m*7m+2*1m*7m
Pc=12m²+84m²+14m²
Pc=110m²
2. a=4cm b=4cm c=7cm
Pc=2*4cm*4cm+2*4cm*7cm+2*4cm*7cm
Pc=32cm²+56cm²+56cm²
Pc=144cm²
licze na naj ;D
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1.
a=1m
b=6m
c=7m
Pc=2Pp+Pb
Pc=2*a*b+2*b*c+2*a*c
Pc=2*1m*6m+2*6m*7m+2*1m*7m
Pc=12m²+84m²+14m²
Pc=110m²
2.
a=4cm
b=4cm
c=7cm
Pc=2Pp+Pb
Pc=2*a*b+2*b*c+2*a*c
Pc=2*4cm*4cm+2*4cm*7cm+2*4cm*7cm
Pc=32cm²+56cm²+56cm²
Pc=144cm²
licze na naj ;D
Pc=14+12+84=110m(kw)
Pc=32+56+56=144cm(kw)
@up Pole powierzchni całkowitej, a nie objętości (v)