Question

4 cubes of side 20 cm are joined end to end resulting in a cuboid find the tsa of cuboid​

Answer 1

Answer:

l=80cm, b=20cm and h=20cm

then,

tsa=2(lb+bh+hl)

=2(80.20+20.20+20.80)

=2(160+40+160)

=2(360)

=720 cm^2

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