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    Nicolas Sanchez
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    The diagram shows a quarter of a circle surrounded by an isosceles triangle.
    The radius of the circle is r.

    *see left image below

    Which one of the following expressions represents the unshaded area?

    A. (1 – π/4)r^2

    B. r^2 – (πr^2)/2

    C. r^2 – (πr)/2

    D. (4 – π)r^2

    E. (2 – π/4)r^2

    *see image on the right for original formatting


    Erina M voted up
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