three cubes of edges 8cm are joined end to end .find the surface area of the resulting cuboid.
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three cubes of edge are joined so their length =24cm breadth=8cm height=8cm.
surface area of coboid =2(lb+bh+lb)
2(64+192+192)=2multiply 448=896cm
surface area of coboid =2(lb+bh+lb)
2(64+192+192)=2multiply 448=896cm
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