1.

3. Find the number of square tiles of side 20 cm neededSEM 25(d) 240 mto pave a floor 3.2 mx 16​

Answer»

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



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