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112 = 14.l
l = 8
Lp = 2pl+2pt+2lt
Lp = 2(14.8)+2(14.5)+2(8.5)
Lp = 2(112)+2(70)+2(40)
Lp = 224+140+80
Lp = 444cm²
Maaf kalau salah
semoga membantu:)