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# Define radius of a circle

Wiki User

2010-10-22 21:03:47

In order to fully understand what the radius of a given circle is, you must know the diameter. The diameter is the distance across the circle through the center. The radius of a circle is half the diameter. For example, if the diameter of a circle is 8 inches, then the radius would be 4 inches.

Wiki User

2010-10-22 21:03:47
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