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30 December, 19:57

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

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  1. 30 December, 23:27
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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
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