A ROOM IS 5m LONG AND 4m WIDE AND 3m HIGHT FIND AREA OF 4 WALL AND ITS FLOOR
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doesn't matter to me as I don't have this kind of room in my house .
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=2×3 (5+4) =54m^2 . Area of ceiling = (l×b) =20m^2 , Area of floor is equal to ceiling area as room is of cuboidal shape , so area is 20m^2. Area of 4 walls +area of ceiling =(54+20) m^2 =74m^2.
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