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What is the definition of radius?
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- 8 years agoFavorite Answer
The Radius of a circle is the measurement from the start of the circle, to the circle`s very center. Thus, it is half a circle.
- Mr. SmartypantsLv 78 years ago
The radius is the distance from the center of a circle to its edge.
A circle is defined as a curved line in which every point of the line is the same distance from a central point. The radius is that distance.
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