TS ICET 2017 Question Paper with Solutions for online practice

Question : 105 of 200

Marks: +1, -0

If two cubes each of side 12 cm are joined end to end to form a cuboid, then surface area of the cuboid (in

cm^2

) is

Solution:

l=12+12=24cm,b=12cm,h=12cm

Total surface area

=2(lb+bh+hl)

=2[24×12+12×12+12×24]

=2(288+144+288)=1140cm^2

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