Question

The surface area of the cuboid-shaped box having length 80 cm, breadth

40cm and height 20cm is _____.​

Answer 1

Answer:

11200 square centimetre

Step-by-step explanation:

length=80 cm

breadth=40 cm

height=20 cm

surface area=2(lb+lh+bh)

=2(80*40+80*20+40*20)

=2(3200+1600+800)

=2(5600)

surface area=11200 square centimetre