a rectangular block of metal with dimensions 12cm by 6cm by 3cm melted and recast into a cube . find the length each side of cube
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Step-by-step explanation:
area of cuboid = 2(lb+bh+hl)
=2(12x6 + 6x3 + 3x12)
=2(72 + 18 + 36)
=2(128)
= 256
area od cuboid = 6a²
256= 6 x a²
256/6=a²
42.66=a²
a=√42.66
a=6.52 (ans)
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