A square tile is having side of length 15 cm. How many such tiles would be required to cover the square floor of a bathroom of side 3 m?
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Step-by-step explanation:
Convert 3m in cm ,1M =100 cm
3m = 300cm
area of square floor =side*side
=300*300
=90000cm^2
area of tile = 225cm^2
no.of tile = area of floor ÷area of tile
90000÷225
400tiles
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