Question

8. How many tiles, each 25 cm by 20 cm, are required for the floor of a room, 12 m long and 9 m wide?​

Answer 1

Answer:

216

Step-by-step explanation:

Area of floor= 1200cm×900cm

Area of tiles=25×20

no. of tiles required =1200cm×900cm

25cm×20cm

=216