Jawabanmu

2014-05-19T08:09:57+07:00
La = p×l
108 = 4x × 3x
108 = 12x²
108 : 12 = x²
    9       = x²
    x       = √9
    x       = 3

p = 4 × 3 = 12 cm
l  = 3 × 3 = 9 cm
t  = 2 × 3 = 6 cm

V = p×l×t
V = 12 × 9 × 6 = 648 cm³



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