Raja was making a mathematical model in which she placed 4 cubes each of Edge 20 CM 1 above the another find the total surface area of the resulting cuboid
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then A=2×4×side×side
A=2×4×20×20
A=2×4×400
therefore A=32000cm^2
therefore area of cuboid =32000+4000=36000cm^2
A=2×4×20×20
A=2×4×400
therefore A=32000cm^2
therefore area of cuboid =32000+4000=36000cm^2
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