The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per m² is ₹4??
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ABCD be a tile, such that BD = 45cm & AC = 30cm
Area of each tile = 2 AC × BD
= 245×30 =675cm 2
Area of 3000 tiles = 300×675=2025000cm
2 =202.5m 2
Cost of flooring = Rs.(202.5×20)
= Rs. 4050
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Answer:
ABCD be a tile, such that BD = 45cm & AC = 30cm
Area of each tile = 2 AC × BD
= 245×30 =675cm 2
Area of 3000 tiles = 300×675=2025000cm
2 =202.5m 2
Cost of flooring = Rs.(202.5×20)
= Rs. 4050
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