Area of a cube

Calculate the surface area of a cube if its volume is equal to 729 cubic meters.

Correct answer:

S =  486 m2

Step-by-step explanation:

V=729 m3  V = a3 a=3V=3729=9 m S1=a2=92=81 m2  S=6 S1=6 81=486 m2

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