SOLUTION: alex has two congruent cubes A and B. Cube A has a surface area of 540 in2. What the area of one face of cube B?

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Question 551150: alex has two congruent cubes A and B. Cube A has a surface area of 540 in2. What the area of one face of cube B?
Found 2 solutions by JBarnum, Alan3354:
Answer by JBarnum(2146) About Me  (Show Source):
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congruent means the same so A=B
area of a cube is L^3
L^3=540
L=3sqrt%28540%29
cube's area of 1 side is L^2
8.1433=L
66.3126=L^2

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
alex has two congruent cubes A and B. Cube A has a surface area of 540 in2. What the area of one face of cube B?
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Surface area of a cube with edge length of s = 6s^2
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6s%5E2+=+540
s%5E2+=+90 sq inch for each cubes