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Math Help - Help this geometry problem

  1. #1
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    Help this geometry problem

    If a circle has a radius of 4 inches, how many square feet is the area of half of the circle?

    sri
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  2. #2
    Moo
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    Hello,

    I think you should first convert inches into feet.

    Rhe area of a circle is given by the formula : A=\pi R^2 where R is the radius.

    Hence the area of half the circle will be A'=\pi \frac{R^2}2
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