The floor of a building consist of 3000tiles which are rhombus shaped and each of its diagnals are k45cm and 3cm in length.Find the total cost of polishing the floor,if the cost of per m² is ®4
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Answer:
ABCD be a tile, such that BD = 45cm & AC = 30cm
Area of each tile =
2
AC×BD
=
2
45×30
=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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