the length,breadth and height of a room are 6m,4m and 3m respectively.Gind the cody of white washing the walls of the room and ceiling at th

Question

the length,breadth and height of a room are 6m,4m and 3m respectively.Gind the cody of white washing the walls of the room and ceiling at the rate of Rs 20 per m²​

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Valentina 1 week 2021-10-04T13:26:52+00:00 1 Answer 0 views 0

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    2021-10-04T13:28:05+00:00

    Answer:

    1680₹

    Step-by-step explanation:

    See we whitewash the walls and the ceiling only and not the floor.

    So the total surface area(including floor0) = 2{lb+bh+hl}

    and Total surface area to white washed = 2{lb+bh+hl} – {lxb} (this is the area of the floor as its generally taken)

    -> 2{24+12+18} – {24} = 84 m sq

    Cost of white washing 1 m sq = 20₹

    Cost of white washing 84 m sq = 20×84 = 1680 ₹

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