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Mathematics 19 Online
OpenStudy (anonymous):

a cube is a three-demensional solid with 6 square faces. find the total surface area of a cube whose edges are each 5 feet in length. Help

OpenStudy (kirbykirby):

If the side of a cube has length \(c\), then the area of one face is \(c^2\) A cube has 6 identical faces, so the total area is \(6c^2\). All you have to do is replace \(c\) with \(5\) in \(6c^2\).

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