11. The floor of a room of size 7 m 50 cm x 4 m is to be covered by rectangular tiles of size 60 cm by 50 cm. Find (1) the number of tiles required to cover the floor of the room and
(ii) the total cost if one dozen tiles cost 300.
Answers
Answered by
1
Answer:
Length of room =20cm
Breadth of room =10cm
The HCF of 20cm and 10cm will be size of square tiles HCF of 20 and 10=10cm
Area of room = 20×10=200cm
2
Area of 1 tile = 10×10=100cm
2
Number of tiles =
100
200
=2
Similar questions