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A cube has as side length of 20.5 cm. What is the surface area of the cube?
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A cube has as side length of 20.5 cm. What is the surface area of the cube?

User Dan Hulme
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Find the area of one side.....20.5 * 20.5 = 420.25....and there are 6 sides to the cube so multiply by 6 and get......2521.5
User Kekoa
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