Question

tile is a square of side 20 cm. How many such
tiles would be required to cover the floor of a
square bathroom of side 3 m?​

Answer 1

Answer:

15

Explanation:

3m=300cm

300/20

15 tiles will be required.

Answer 2

Answer:

Area of floor=3x3=9m2

= 9oooocm2

No. of tiles=9oooo/20x20

= 225 tiles