Question

four cubes each of side 3 cm are joined end to end find the surface area of the resulting cuboid​

Answer 1

Answer:

resulting cuboid have,

l=3cm

b=12cm

h=3cm

surface area =2(lb+bh+hl)

=2(3×12+12×3+3×3)

=2(36+26+9)

=2(71)=142cm³

hope it helps you.....