A rectangular swimming pool 30m long, 20m wide and 1.5m deep is to be tiled. If each tile is 50cm multiply by 50cm, how many tiles will be required
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Length, l = 30 m ; breadth, b = 20 m ; height, h = 1.5 m
Area to be tiled = Total surface area - Area of the top
Total surface area = 2(lb + lh + bh) = 2(600 + 30 + 45) = 2 ( 675 )= 1350 m2
Area of the top = 30 × 20 = 600 m2
Area to be tiled = 1350 - 600 = 750 m2 = 75,00,000 cm2
side of each tile, s = 50 cm
Area of each tile = s2 = 502 = 2500 cm2
∴ Number of tiles that will be required = 75,00,000 / 2500 = 3000
Area to be tiled = Total surface area - Area of the top
Total surface area = 2(lb + lh + bh) = 2(600 + 30 + 45) = 2 ( 675 )= 1350 m2
Area of the top = 30 × 20 = 600 m2
Area to be tiled = 1350 - 600 = 750 m2 = 75,00,000 cm2
side of each tile, s = 50 cm
Area of each tile = s2 = 502 = 2500 cm2
∴ Number of tiles that will be required = 75,00,000 / 2500 = 3000
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