Question

how many square tiles of size 15 cm are needed to cover a floor a room 9 m long and 6 m wide​

Answer 1

Answer:

2.25

STEP BY STEP EXPLAINATION:

side of square tiles-15 cm

area of square tiles- side*side

=15 * 15

=225 cm2

length of floor=9m

breadth of floor=6cm

area of floor=l*b

=9*6

=54 m2

1 cm= 1/100m

225 cm = 225/100 m = 2.25

hope it will help you.