a tile is a square of side 25 cm. how many such tiles would be required to cover the floor of a square bathroom of side 3m?
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Step-by-step explanation:
side of bathroom = 3m = 300cm
area of bathroom = side²
= 300²
= 90000.sqcm
area of tile = side²
= 25²
= 625.sqcm
no.of tiles needed to cover= 90000/625
= 144
therefore, 144 tiles will be needed to cover the bathroom floor..
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