Jawabanmu

2014-05-13T10:52:43+07:00
Kubus A = X
Kubus B = X - 2
Luas permukaan Kubus A = 6x²
Luas permukaan Kubus B = 6(x-2)² = 6x²- 24x + 24
6x² - (6x² - 24x + 24) = 96
24x - 24 = 96
24x = 120
x = 5 dm
Volume Kubus A = X³ = 5³ = 125 dm³
Volume Kubus B = (X - 2)³ = (5-2)³ = 3³ = 27 dm³
Selisih volume kedua kubus = 125 - 27 = 98 dm³
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