Find the area of the four wall of a room 7 m long,5 m broad and 3 m high.find the cost of distempering the wall at the rate of rs 3.15 per m sq
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Literal surface area of four walls=2(l+b)×h
=2(7+5)×3
=2×12×3
=72m sq
cost of distempering the walls per m sq at the rate =3.15rupees
cost of distempering the four walls 72m sq =72×3.15=226.8
=2(7+5)×3
=2×12×3
=72m sq
cost of distempering the walls per m sq at the rate =3.15rupees
cost of distempering the four walls 72m sq =72×3.15=226.8
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