The surface area of a cube is 864 square inches . Find the lateral edge of the cube. Thank you muchly ^_^
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Hello, A cube is made of 6 identical faces, with an edge of a. So each face will be aČ square inches. So the area of the cube will be 6*aČ. Solve for a : 864=6aČ -> aČ=144 -> a=...
Lol, thank you so much for taking your time to help me! This definately makes more sense now. a = 12 ^_^
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