Question

A fish tank is in the shape of a cube. Its volume is 125 ft cubed. What is the area of one face of the tank?

Answer 1

Since the volume of a cube is equal to the length cubed,$V= x^{3]$. Substitute 125 for V giving you $125=x^3$. Take the cubed root of 125 to give you $x=5$. To find the area of a side, you have to take the length and square it. Therefore, $A= x^{2}$. Substitute 5 for x giving you $A=5^2$. Evaluate the equation to give you $A=25$.

Answer 2

V=side^3

125=side^3
cube root oth sides
5=side

area=side^2
aera=5^2
aera=25

area=25ft^2