1.

How many square tiles of side 20cm are needed to cover a floor 3.8metre by 2.8metre

Answer»

Answer:

The answer is 266.

Step-by-step explanation:

Total area needed to be covered by TILES= 3.8×2.8

=10.64 m sq

Dimension of tile in METRES= 20÷100= 0.2 m

Area of 1 tile= 0.2×0.2=0.04 m sq

Number of tiles needed to COVER the FLOOR =

total area that needs to be covered ÷ area of one tile

10.64÷0.04=

266 tiles.

Hope it helped. : )



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