Chords
A chord in a circle is a segment with its endpoints on the circle. If a chord passes through the center of the circle, then it is also called a diameter of the circle. (Sometimes the word diameter also refers to the length of the diameter.)
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A radius of a circle is a segment with one endpoint on the circle and the other at the center of the circle. (The word radius can also refer to the length of the radius.)
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Date last modified: March 26, 2009.
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