The edge of three cubes of metal is 3 dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge of the new cube? A. 6 dm B. 5 dm C. 4 dm D. 3 dm Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation 33 + 43 + 53 = a3 => a = 6 Workspace
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