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March 28, 2017

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Janet has a circular garden in her front yard with a diameter of 8 feet. How does the diameter d compare to the circumference C of the garden?
F) D = 1/3C
G) D = 1/2C
H) D = 2C
I) D = 3C

  • Math - ,

    Because diameter is twice the radius, the radius must be 1/2 of 8 ft. So r=4ft.

    The circumference is equal to 2*pi*radius. Since pi is =3.14

    Thus by comparing the two equations
    D=2r
    C=2rpi

    the only difference is pi so the answer would be F if you assume 3.14 is approximately 3

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