Question

Perbandingan p,l,t bagian dalam sebuah bak air berbentuk balok 4:3:2
jika volume maksimum air yg dapat di tampung 1536cm kubik.tentukan ukuran bak air tsb

Answer 1

P = 4x
l = 3x
t = 2x
V = plt
1536 = 4x.3x.2x
1536 = 24x³
x³ = 1536 / 24
x³ = 64
x = ∛64
   = 4
panjang = 4x = 4. 4 = 16cm
lebar = 3x = 3.4 = 12 cm
tinggi = 2x = 2.4 = 8cm

Answer 2

P : l : t = 4 : 3 : 2

1536 = 4x . 3x . 2x
1536 = 24x³
x³ =64
x = 4

jadi p = 4.4 = 16 cm
      l = 3.4 = 12 cm
       t = 2.4 = 8  cm