The floor of a building consists of 3000 tiles, which are rhombus shaped and each of its diagonals are 45cm and 30cm in length. Find the total cost of polishing the floor , if the cost per m² is Rs.4
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Step-by-step explanation:
area of thomus = diagonal 1 × diagonal 2/2
= 45 × 30/2 cm^2
= 675 cm^2
= 6.75m^2
now , 3000 tiles
3000 × 6.75 = 20250
cost of polishing floor = 20250×4
= ₹81000
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