Question

the measures of a box are 40cm 30cm and 20 cm respectively. how much square cm cloth is required to make the cover of the box.

Answer 1

Answer:

Take the surface area

Step-by-step explanation:

The formula is 2(lb+lh+bh)

Here length is 40 and height is 30 and breadth is 20

Therefore

2(800+1200+600)

=2(2600)

=5200

:-)

Answer 2

Answer:

Step-by-step explanation:

Surface area of box=2(lb+bh+lh)

2(40×30+30×20+40×20)=2(1200+600+800)=2×2600=5200cm2

Cloth required to cover the cloth is 5200cm2