Rekha wants to put a wall paper along the walls of a hall. The length of a hall is 25m and width is 28m.The sum of the area of the floor and the flat roof is equal to the sum of the areas of the four walls.
(a) What is the width of the wall paper that she would need to completely cover the wall of the hall?
(b) What is the total area of the paper required to cover the four walls of the hall?
(c) What is the total cost of the paper, if rate of the wall paper is AED 10/m2?
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https://rocket-league-sideswipe.en.uptodown.com/android/download
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