Posted by maihul on Friday, November 30, 2012 at 7:33am.
ratio of
height : length = 2 : 5 = 2x : 5x = 4x : 10x
ratio of height : breadth (width ?) = 4 : 5 = 4x : 5x
height : length : width = 4x : 10x : 5x
area = 2(lh) + 2(wh)
= 2(10x)(4x) + 2(5x)(4x) = 108
120x^2 = 108
x^2 = .9
floor is 10x by 5x = 25x^2 = 25(.9) = 22.5 m^2
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