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?
Answers
Answered by
0
Answer:27520 cm^2
Step-by-step explanation:
Answered by
0
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 ))
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