Question

a square room is of area 65.61 m sq. find the length of its side. if tiles of dimensions 30 cm by 30 cm are laid on the floor, how many tiles are needed to completely cover the floor. give me the solution of it​

Answer 1

s x s = 65.61
s = root of 65.61
s = 8.1 m

• area of tile = 0.3m x 0.3m = 0.09m squared

• no tiles = area of square room / area of tile
= 65.61/0.09 = 6561/9 = 789

Answer 2

Answer:

side of square = 8.1 and number of tiles = 729

Step-by-step explanation:

Side of square = square root of area

= square root of 65.61 m²

= 8.1 m

The area of one tile =0.3 x 0.3

= 0.09

Therefore number of tiles required = 65.61 ÷ 0.09

= 729