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Relation: subclass

TwoDimensionalFigure15The class of GeometricFigures that have position and an extension along two dimensions, viz. plan...^
    ClosedTwoDimensionalFigure9Any TwoDimensionalFigure which has a well defined interior and exterior.^
        Polygon5A ClosedTwoDimensionalFigure that is composed exclusively of straight lines, i.e. OneDimensiona...^
        CircleSector.A slice of a Circle, i.e. any ClosedTwoDimensionalFigure which consists of two Radii and the ar...^
        Oval1The class of ClosedTwoDimensionalFigures that are produced by the intersection of a Cone with a...^

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