Question

9000 tiles are needed to lay a tile of 20 cm on the floor of a hole. Find the area of ​​the hall in square meters.

Answer 1

area of 1 tile=0.2^2=0.04 m^2

area of hall=9000*0.04=360 m^2

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Answer 2

no. of tiles needed - 9000

area of each tile in metres - 0.2 m

so the area of hall - 9000*0.2

1800 m^2 is the answer