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- The edge of three cubes of metal is 3 dm, 4 dm and 5 dm.
Question 1:
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. 3 dm
B. 4 dm
C. 5 dm
D. 6 dm
Feedback 3³ + 4³ + 5³ = a³ => a = 6
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