Question

Three cubes of edges 8 cm are joined end to end. Find the surface area of the resulting cuboid.
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Answer 1

The resulting cuboid will have length as 24cm,. breadth as 8cm and height as 8cm.

Surface area of the cuboid (A)

= 2[(L×B)+(B×H)+(H×L)]

= 2[192+64+192]

= 2(448)

= 896cm²