Calculate the area of the green region labeled as ‘?’

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The below figure consists of a rectangle and the numbers labeled over the top represents the area of that particular shaded region. 

Calculate the area of the green region labeled as ‘?’


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  • 1 Answer(s)

    The White triangle is similar to the Red triangle
    As ratio of areas = ratio of bases when height is same,
    Ratio of sides is 2:3
    White triangle = 9/4 * Red triangle = 9/2

    Thus the Green Region = 5.5 units.

    anikam Expert Answered on 24th August 2015.
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