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24 June, 15:53

Sam has 100 feet of fencing. Does he have enough fencing to enclose a circular region whose area is 630 square feet? Show work!

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  1. 24 June, 16:09
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    A=pi (radius^2)

    630/3.14=200.64

    radius=14.16 feet

    C=2 (pi) (radius)

    =3.14 (2) (14.16)

    =6.28 (14.16)

    C=88.92

    88.92<100

    Yes! He has enough fencing to enclose the circular area.
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