Question

The floor of a hall is 20m long and 15m wide .find the number of tiles required to cover the floor if the dimension of one tile is 20cm multiply 10cm

Answer 1

Hii...

Area of hall==20*15==300sqm

Area of tile=0.2*0.1=0.02sqm

no. of tiles=300/0.02

============30000/2=====15000

Answer 2

here is your answer
Length =20m
=20*100
=2000cm
Breadth=15*100
=1500cm
Area =2000*1500
=3000000cm²
Tiles,
Length=20cm
Width=10cm
Area=20*10
=200cm²
No of tiles required=3000000/200
=15000