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Parts of a Circle

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Circle   Set of points in a plane equidistant from a given point.  
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Center of a Circle   The middle point equidistant to every point.  
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Radius   Segment withe endpoints at the center of the circle and on the circle.  
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Chord   Segment with endpoints on a circle, connected to one another.  
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Diameter   A chord that passes through the center.  
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Radius Formula   Diameter/2 (diameter divided by 2)  
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Diameter Formula   Radiusx2 (radius times 2)  
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Congruent Circles   Congruent radii in two circles.  
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Concentric Circles   Coplanar circles with the same circle  
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Created by: Saya-Bella
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