What is the surface area of a cube with a volume of 81cm3?
2 answers
125 cubic inches
nope. in the first place, area is in cm^2, not cm^3
volume=81 means side is ∛81 = 3∛3
area is 6s^2 = 6(3∛3)^2 = 6*9*∛9 = 54∛9
volume=81 means side is ∛81 = 3∛3
area is 6s^2 = 6(3∛3)^2 = 6*9*∛9 = 54∛9