Question

the number of square tiles of side 20 cm required to cover a rectangular floor of length 4 m and bredth 3 m is​

Answer 1

Answer:

300

Step-by-step explanation:

Area of a tile = 400 cm^2 = 0.04 m^2

Area of floor = 12 m^2

so, tiles requires = 12 ÷0.04 = 300

Answer 2

140

Step-by-step explanation:

perimeter of rectangle =2(l+b)

=20(4+3)=20(7)=140