Question

A cuboidal box has length, breadth and height as 20 cm, 10 cm and 5 cm respectively. The box has to be completely covered with a red coloured paper. How many sheets of square shaped red colour paper of side 10cm will be required?


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Answer 1

Step-by-step explanation:

l=20cm b=10cm h=5

lateral surface area of cuboid =2h(l+b)

=2×5(20+10)

=10×30

=300sq.cm

paper required of side 10cm=300÷10

=10 sheets

therefore to cover a cuboidal box of given measure 10 sheets would be required

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Answer 2

Answer:

It will be 300cm²