6. Rahul's room is 3 m 45 cm long and 2 m 25 cm wide. He wishes to put a wall-to-wall carpet in his room What will be the area of the carpet to cover his room? 7. Find the area of a rectangular field whose dimensions are 15 m and 11.4 m, respectively. 8. What is the amount spent on carpeting a room at 250 per sq. m, if the area of the room is 221 sq. m. 9. Find out the cost of clearing a rectangular piece of land which is 32 m long and 20 m wide. The rate for clearing is 3 2.25 per sq. m, 10. The area of a square seat is 961 cm2. How much is its side? 11. A dance floor is 35 m long and 26 m wide. What are its area and perimeter? How much would it cost to do a mosaic flooring, if it costs 323.40 per square metre? 12. If the length of the side of a square playground is 98 m, then what is the distance covered by an athlete when he runs two rounds around it? Give your answer in km. 3. A man wants to make a lawn in a rectangular piece of land of length 333 m and breadth 140 m. Find the area of the lawn. 4. The length and breadth of a floor of a room are 12 m and 15 m, respectively. Find the number of square tiles of 60 cm required to pave the floor of the room.
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6.Length of the room =4m
Breadth of the room =3m25cm=3.25m
∴ Area of the room = Length × Breadth =4×3.25m=13sq.m
Hence, 13squaremetres of carpet is needed to cover the floor of the room.
8.The ratio of the length and breadth of a rectangular field is 4:3 and the area of the field is 300 m Find the cost of fencing the field at Rs 15 per metre.
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Step-by-step explanation:
6 and =
3m 45cm = 300cm + 45cm =345cm
2m 25cm =200cm+25cm = 225cm
2 wall=345*225
4 wall= 345*225*
= 345*1100
=379500cm
convert 379500cm into m
= 37.95m
7 ans=
A=l*b
= 15*11.4
= 171.0
= 171m
8 and =
221*250 = 52250 rupees (give ruppes symbol)
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