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4, A design on the wall of room consists of 1000 tiles of the shape of parallelogram. Ifaltitude and base of each tile is 10 cm and 4 cm respectively, find the cost of polishingthe design at the rate of 9.50 per dm2. |
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Answer» Area of each tile = bh =10×4=40cm2Total number of tiles in the room = 1000⇒Total area that needs to be polished =1000×40=40000cm2=4m2Cost of polishing 1 m2=Rs9.50⇒Cost of polishing 4m2=9.50*4=38rupees |
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