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Discussion :: Area

  1. The length, width, and height of a room are 7 m, 8 m, and 9 m respectively. What is the total area of the walls?

    2. A.
    270 sq. m.
    B.
    260 sq. m.
    C.
    265 sq. m.
    D.
    255 sq. m.

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    Answer : Option A

    Explanation :

    Area of the 4 walls of a room = 2 (Length + Breadth) * Height

    Given that, Length = 7 meters, Width or Breadth = 8 meters and Height = 9 meters

    So, the required area, A = 2 (7 + 8) * 9

    = 2 * 15 * 9

    = 270 sq. m.

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