Question

A file is a
square of side 20 cm. How many
such lines would be recquired to cover the
floor of square bathroom of side 3m. 2
artression given that
Q​

Answer 1

area of tiles = (side )²

= 20 *20

= 400 cm ²

area of bathroom = (side )²

= 300 * 300

90000²

= 90000/400

= 225 tiles