SOLUTION: the total area of six faces of a cube is 240 cm^2 how long to the nearest 10th is one egde

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Question 92381: the total area of six faces of a cube is 240 cm^2 how long to the nearest 10th is one egde
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
the total area of six faces of a cube is 240 cm^2 how long to the nearest 10th is one egde
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The area of one face must be 240/6 = 40 cm^2
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Since each face is a square and since the area of a square is (side)^2
you get:
EQUATION:
(side)^2 = 40
side = 2sqrt10 cm
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Cheers,
Stan H.