Penjelasan dengan langkah-langkah:
Dik :
Vol. kolam renang = 432.000.000 cm³ = 432 m³
P : L = 2 : 1
Vol. persegi panjang = p × l × t
432 m³ = 2(a) m × (a) m × 1.5 m
432 m³ = a m × a m × 3 m
432 m³/ 3 m = a m × a m
144 m² = a² m
√144 m² = a m
12 m = a
artinya, P = 2A dan L = A
Jadi P = 2 (12 m) = 24 m dan L = 12 m
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Penjelasan dengan langkah-langkah:
Dik :
Vol. kolam renang = 432.000.000 cm³ = 432 m³
P : L = 2 : 1
Vol. persegi panjang = p × l × t
432 m³ = 2(a) m × (a) m × 1.5 m
432 m³ = a m × a m × 3 m
432 m³/ 3 m = a m × a m
144 m² = a² m
√144 m² = a m
12 m = a
P : L = 2 : 1
artinya, P = 2A dan L = A
Jadi P = 2 (12 m) = 24 m dan L = 12 m