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5 : 2 : 3
5y : 2y : 3y
Vol = p x l x t
3750 = 5y x 2y x 3y
3750 = 30y³
3750 : 30 = y³
125 = y³
∛125 = y
5 = y
panjang = 5y = 5 x 5 = 25 cm
3750 = 5x × 2x × 3x
3750 = 30x³
x³ = 3750 : 30
x³ = 125
x = ∛125
= 5cm
panjang = 5x
= 5×5 = 25 cm