circle /ˈsɜɹkəl/ A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).

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circle

/ˈsɜɹkəl/ noun

A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).

例句 Examples

The set of all points (x, y) such that (x − 1)2 + y2 = r2 is a circle of radius r around the point (1, 0).

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