Question

3. Find the number of square tiles of side 20 cm needed

SEM 25

(d) 240 m

to pave a floor 3.2 mx 16​

Answer 1

Explanation:

Area of one tile = (20cm)² = (0.2m)² = 0.04 m²

Area of floor = 3.2m × 16m = 51.2 m²

Area of floor = No. of tiles × Area of one tile

No. of tiles = 51.2 / 0.04

= 1280

Answer 2

Answer:

$1280$

Explanation:

Area of one tile = (20cm)² = (0.2m)²

= 0.04 m²

Area of floor = 3.2m × 16m

= 51.2 m²

Area of floor = No. of tiles Area of one tile

No. of tiles = 51.2 / 0.04

= 1280