Question

The floor of a room 6.6 m long and 4.5 m wide is to be tiled. How many tiles will be required for this job if each square tile to be used has a side measuring 30 cm?

Answer 1

Length of the floor = 6.6 m
Breadth of the floor = 4.5 m
Area of the floor = length × breadth
= 6.6 × 4.5 m²
= 29.7 m²
Side of the square tile = 30 cm = $\frac{30}{100}m$ = 0.3 m
Area of the tile = Side × Side
= 0.3 × 0.3 m²
= 0.09 m²
Number of tiles =$\frac{\text{Area of the floor}}{\text{Area of the tile}}$
=$\frac{29.7}{0.09}$tiles
= 330 tiles