SOLUTION: a cube has an area of 240cm^2. what is the length of one side?

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Question 766701: a cube has an area of 240cm^2. what is the length of one side?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

let the length of one side be L
given A=240cm%5E2
surface area of a cube is A=6L%5E2
240cm%5E2=6L%5E2...solve for L
240cm%5E2%2F6=L%5E2
40cm%5E2=L%5E2
sqrt%2840cm%5E2%29=L
6.325cm=L