two identical cubes each of total surface area of 12cm sqaure are joined end to end what is total surface area of cuboid formed
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If 2 cubes come together end to end resulting shape will be cuboid of dimension
length =12+12=24 cm
breadth =12 cm
height =12 cm
∴ Surface area =2[lb+bh+hl]
=2[24×12+12×12+12×24]
=2[288+144+288]
=2×720
=1440 cm^2
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