Question

visual wishes to cover a box of size 80cm×40cm×20cm using a square sheet of paper is 40cm². Find the number of sheets needed to cover the box.

Answer 1

Heyy mate ❤✌✌❤

Here's your Answer....

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Area of the cuboidal box = 2( lb + bh + hl)

=> 2 ( 80 × 40 + 40 × 20 + 20 × 80)

=> 2( 3200 + 800 + 1600)

=> 2 × 5600

=> 11200cm^2

Area of 1 sheet= 40cm^2

Therefore, No. of sheet= 11200/40

=> 280.

280 sheets is required to cover the box.
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