Question

A square tile is having side of length 15 cm. How many such tiles would be required to cover the square floor of a bathroom of side 3 m ??​

Answer 1

Answer: 400 tiles

Step-by-step explanation:

No: of tiles = Area of the square floor of side 3m

                     Area of one time of side 15 cm

                =   3 x 3 m²    

                  0.15 x 0.15 m²

               =        9        

                     0.0225

              = 400 tiles

HOPE THIS HELPS.....