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If the diameter of a circle is 5 in., what is the radius?
What is the relationship of the diameter of a circle to radius?

  • Math -

    The diameter is the distance across the circle and the radius is the distance from the center of the circle to the edge of the circle.

    I will be happy to check your answer.

  • Math -


  • Math -

    Right. The radius is 2.5

    So you can see that the diameter is double the radius.

    or you can say the radius is 1/2 the diameter.

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