Odpowiedź:
Pp = a²
Pp = 9² = 81
Pb = a * H
Pb = 9 * 7 = 63
Pc = 2 Pp + 4 Pb
Pc = 2 * 81 + 63 * 4 = 162 + 252 = 414 j²
Szczegółowe wyjaśnienie:
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Odpowiedź:
Pp = a²
Pp = 9² = 81
Pb = a * H
Pb = 9 * 7 = 63
Pc = 2 Pp + 4 Pb
Pc = 2 * 81 + 63 * 4 = 162 + 252 = 414 j²
Szczegółowe wyjaśnienie: