# A square courtyard of side 45cm has to be tiled . If the size of a tile is 15cm by 15cm , how many tiles will be required for the courtyard . If the cost of a tile is Rs 30 , find the total cost incurred?

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by Sana06

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by Sana06

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=45*45=2025 cm^2

area of tile=15 ^2=225 cm^2

no. of tiles required=2025/225=9 tiles

cost of 1 tile =30

cost of 9 tiles =9*30=Rs 270

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