V balok = p x l x t
V balok = 60 x 30 x 20
V balok = 36.000 cm
Lp balok = 2 (p x l + p x t + l x t)
Lp balok = 2 (60 x 30 + 60 x 20 + 30 x 20)
Lp balok = 2 (1.800 + 1.200 + 600)
Lp balok = 2 x 3600
Lp balok = 7.200 cm
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Jawaban =
V balok = p x l x t
V balok = 60 x 30 x 20
V balok = 36.000 cm
Lp balok = 2 (p x l + p x t + l x t)
Lp balok = 2 (60 x 30 + 60 x 20 + 30 x 20)
Lp balok = 2 (1.800 + 1.200 + 600)
Lp balok = 2 x 3600
Lp balok = 7.200 cm
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