# NCERT Class 8 Mathematics Solutions: Chapter 11 – Mensuration Exercise 11.3 Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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1. A suitcase with measures is to be covered with a tarpaulin cloth. How many meters of tarpaulin of width is required to cover such suitcases?

Answer:

Given:

Length of suitcase box ,

Breadth of suitcase box

And Height of cuboidal box

Total surface area of suitcase box

Area of Tarpaulin cloth = Surface area of suitcase

Required tarpaulin for suitcases

So, the tarpaulin cloth required to cover suitcases is .

2. Find the side of a cube whose surface area id .

Answer:

Here Surface area of cube

So, the side of cube is .