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7-4 Vocabulary

Math 7 - Ch. 7

Circle The set of all points in a plane that are the same distance from a given point called the center
Center of a circle The point inside a circle that is the same distance from all the points on the circle
Radius A line segment with one endpoint at the center of a circle and the other endpoint on the circle, or the length of that segment
Diameter A line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment
Chord A line segment with endpoints on a circle
Arc A part of a circle named by its endpoints
Central Angle An angle with its vertex at the center of a circle
Created by: unverferth