math

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half the distance across a circular garden measures 4.9 meters. Estimate how many meters of fencing material will be needed to enclose the garden.

  • math -

    the diameter is appr. 10 m

    circumference of a circle = pi(d)
    = appr. 3x10 = 30

    I rounded up on the diameter but rounded down for pi, so ... should be close.

    (actual answer = 30.79)

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