Question

find the surface area of the following length=9cm , breadth =5cm and height =3 cm​

Answer 1

Answer:

surface area = 2(lb+bh+hl)

so, required surface area =

= 2(9×5+5×3+3×9)

=2(45+15+27)

=2×87

=174 cm^2

please mark my answer brainliest.