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Posted by on Wednesday, January 19, 2011 at 10:35am.

THE AREA OF 4 WALLS OF A HALL IS 3.20MSq
the length and breabth of hall is 12.5m and 7.5m respectively.find the height of hall.

  • maths - , Wednesday, January 19, 2011 at 10:55am

    total area = 3.20 m^2

    if h= height of wall (and assuming that the wall is the same height all round) the area of the four walls

    =12.5h+12.5h+7.5h+7.5h = 40h

    =3.20 m^2

    so h=?

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