Math

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Students in Mr. Tandoc's shop class made a circular railroad crossing sign for a school play. The diameter of the sign was about 4 feet. How does the diameter compare to the circumference of the sign?
A. The diameter is about 1/3 of the circumference
B.The diameter is about 1/2 of the circumference
C.The diameter is about 2 times more than the circumference
D.The diameter is about 3 times more than the circumference
A?

  • Math -

    My teacher says its A, so can anyone explain how come?

  • Math -

    Yes. :-)

  • Math -

    C = pi * d

    pi = 3.14

  • Math -

    How much does 1/3 equal?

  • Math -

    1/3 = 1 part of 3

    http://www.visualfractions.com/

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