Question

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

Answer 1

Answer: 225 tiles

Step-by-step explanation: side of tile= 20cm. therefore the area of tile= side *side

20*20= 400cm square

Side of bathroom = 3m=300cm

Therefore area of bathroom= 300*300

=90000cm square

Therefore the no. of tiles that can be fit into a bathroom= 90000/400

=225 tiles

Answer 2

225 tiles by 20 square is 20* 20 = 400 and and 3m 300 cm have been multiply 90000/ 400 is 225