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A tile of a square is of side 30 cm. How many such tiles would be required to cover a floor of a square room of side 6m?
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Answer:

4 tiles

Step-by-step explanation:

Area of a square tile:

A = s²

A = (30)²

A = 900 cm

900 cm = 9 m

Area of the square room:

A = s²

A = (6)²

A = 36 m

36 ÷ 9 = 4

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