The dimensions of a cuboid are 5m,3.5mand 2.4m tnen its surface area (in sq metres)
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Surface area of a cuboid=2(lb+bh+hl)
=2(5×3.5+3.5×2.4+2.4×5)
=2(17.5+8.4+12)
=2×37.9
=75.8 sq. m
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