Question

- Area and Volume

A square room is 15 m long.
i) Find the area of its floor.
ii) What is the area of carpet required to cover its floor?
ii) Find the cost of carpeting its floor at Rs 80 per sq. m.​

Answer 1

1. Area=225 m2, 2. Carpet required is 225m2. 3. Cost= Rs 18000

Explanation:

1. Area=l*l=15*15=225 m2

2. Carpet has to be 225m2 in order to cover the floor

3. Cost= 225*80=18000