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Math

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A circular garden has an area of 25π m2
If the .
radius is increased by two meters, and fencing is
sold only in one meter sections, how much fencing
is needed to keep out the rabbits

  • Math - ,

    pi r^2 = 25 pi so r = 5
    then new r = 7
    2 pi r = 14 pi
    call pi about 22/7
    so 2 pi r = 44 meters

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