Question

The size of a tin box is 20 cm, 12 cm, 14 cm, 20 boxes are to be made, what will be the area of ​​the tin used in it?​

Answer 1

Answer:27520 cm^2

Step-by-step explanation:

Answer 2

Answer:

27200cm²

Step-by-step explanation:

surface area of box = 2(lb+bh+hl)

l,b,h=20cm,12cm,14cm ( Given )

then,

=2(20x12+12x14+14x20)

=2(240+168+280)

=2(688)

=1376cm² ( for one box)

then for 20 boxes,

=20xsurface area of box

=20x1376

=27520cm²

(( '.' the area of the tin used to make 20 boxes are 27520cm² ))