how many square tiles of side 9cn will be needed to fit in a square floor of a bathroom of side 720cm? find the cost of tiling at the rate of rs 7.50per tile.
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How many square tiles of side 9 cm will be needed to fit in a square floor of a bathroom of side 720cm ?find the cost of tilling at the rate of ₹7.50 per file
Give me formula also
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Answer
Side of square of tile =9cm
Area of a square tile =Side×Side
=(9×9) cm
2
=81 cm
2
Side of a square floor =20 cm
Area of square floor =Side×Side
=(20×20) cm
2
=400 cm
2
No. of tiles required to lift in a floor =
Area of square tile
Area of square floor
=
81
400
=4.93
≅5
Cost of one tile =Rs.7.50
Cost of 5 tiles =Rs.(7.50×5)
=Rs.37.50
∴ No. of tiles required =5
Cost of tiling =Rs.37.50
Step-by-step explanation:
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