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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area of sq. courtyard=side^2
=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
=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
Answered by
1
Side of the square courtyard = 45cm
Area = 45 × 45 = 2025 cm²
Area of one tile = 15 × 15 = 225 cm²
Hence, no. of tiles required = 2025 ÷ 225 = 9
Since, one tile costs = Rs. 30
Hence, 9 tiles cost = Rs. 30 × 9 = Rs. 270
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Area = 45 × 45 = 2025 cm²
Area of one tile = 15 × 15 = 225 cm²
Hence, no. of tiles required = 2025 ÷ 225 = 9
Since, one tile costs = Rs. 30
Hence, 9 tiles cost = Rs. 30 × 9 = Rs. 270
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