Odpowiedź:
Pc = Pp + Pb
Pp = 12cm * 12cm = 144cm2
Pb = 12cm * 14cm * 4 = 672cm2
Pc = 144cm2 + 672cm2
Pc = 816cm2
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Odpowiedź:
Pc = Pp + Pb
Pp = 12cm * 12cm = 144cm2
Pb = 12cm * 14cm * 4 = 672cm2
Pc = 144cm2 + 672cm2
Pc = 816cm2