pls help...Q7............
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area of a rhombus=1/2×(product of diagnols)
area= 1/2×(45×30)
area=1/2×1350
area of one tile=1350/2
area of one tile= 675cm^2
area of 3000 tiles = area of one tile×3000
area of 3000 tiles= 675×3000
area of 3000 tiles=2025000cm^2
cost of polishing= total area × rate(in m^2)
(2025000)cm^2 = (2025000/10000)m^2
=202.5 m^2
cost of polishing= 202.5×4
cost of polishing=Rs.810
The cost of polishing would be Rs.810
Plz mark as brainliest.
area= 1/2×(45×30)
area=1/2×1350
area of one tile=1350/2
area of one tile= 675cm^2
area of 3000 tiles = area of one tile×3000
area of 3000 tiles= 675×3000
area of 3000 tiles=2025000cm^2
cost of polishing= total area × rate(in m^2)
(2025000)cm^2 = (2025000/10000)m^2
=202.5 m^2
cost of polishing= 202.5×4
cost of polishing=Rs.810
The cost of polishing would be Rs.810
Plz mark as brainliest.
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The cost of polishing would be Rs.810
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