Question

two cubes each of edge 12 cm are joined. The surface area of new cubiod is

Answer 1

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Length of the resulting cuboid

=(12+12)cm

=24cm

Breadth and height remaining the same

i.e. 12 cm each

Surface area =2(lb+bh+lh)

=2(24×12+12×12+24×12)cm²

=1440cm²