Question

Work out the surface area of this cuboid.


Hint: the areas of the faces are 198 cm2, 144 cm2 and 88 cm2.


and include units with solution

Answer 1

Surface area of cuboid= 2(lb+bh+hl)

= 2(18×8+8×11+11×18)

= 2(144+88+198)

=2×430

= 860cm²

hope it will help you