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physics

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calculate the total area of the walls of a room 5m long 4m wide and 2.5m high

  • physics (not) -

    They are asking for the WALLS area, not including the ceiling and floor.

    There are two walls of 5 x 2.5 sq. meter area and two walls of 4 x 2.5 sq. meter area.

    A = 2[(2.5*5) + (2.5*4)]
    = 2*2.5*(4+5) = 5*9 = ____ m^2 ?

  • physics -

    241.4

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