5 cubes, each of volume 512 cm), are joined end to end. Find the total surface area of the
resultant cuboid.
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Answer:
1408 cm²
Step-by-step explanation:
side length of one cube = cube root of volume = ³√512 = 8 cm
now the resulting cuboid has the dimensions 8×8×40
Therefore surface area = 2(lb+bh+hl)
=2(64+320+320) = 1408 cm²
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