Question

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

Answer 1

side of a square tile = 20 cm
side of the square bathroom = 3 m = 300 cm
area of a square tile = 20 × 20
= 400 cm^2
area of the square bathroom = 300 × 300
= 90000 cm^2
now, numbers of square tiles required = area of square bathroom / area of a square tile
= 90000/400
= 900/4
= 225
therefore 225 square tiles are required to cover the square bathroom

Answer 2

Answer:

side of a square tile = 20 cm

side of the square bathroom = 3 m = 300 cm

area of a square tile = 20 × 20

= 400 cm^2

area of the square bathroom = 300 × 300

= 90000 cm^2

now, numbers of square tiles required = area of square bathroom / area of a square tile

= 90000/400

= 900/4

= 225

therefore 225 square tiles are required to cover the square bathroom

Step-by-step explanation: