Surface area of a cube (106)?

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The formula A = 6v^2/3 gives the surface area of a cube in terms of its volume V. What is the volume of a cube with surface area 12 square feet?

2007-02-25 04:40:36 · 3 answers · asked by Help please 1 in Science & Mathematics ➔ Mathematics

12=6v^2/3
divide by 2
2=v^2/3
cube both sides
8=v^2
square root both sides
2sqrt2=v

2007-02-25 05:20:15 · answer #1 · answered by adriantheace 4 · 0⤊ 0⤋

the area of one side is lenght X width. There are six sides.
12 = 6v2/3 solve for v

2007-02-25 12:49:20 · answer #2 · answered by fran h 1 · 0⤊ 0⤋

12=6v^2/3
2=V^2/3
2^3=v^2
8=v^2
2*sqrt(2)=v

2007-02-25 12:44:33 · answer #3 · answered by George V 1 · 0⤊ 0⤋