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Sigma KEE  ClosedTwoDimensionalFigure
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ClosedTwoDimensionalFigure
Any
TwoDimensionalFigure
which has a well defined interior and exterior.
Relationships
Parents
TwoDimensionalFigure
The class of
GeometricFigure
s that have position and an extension along two dimensions, viz. plane figures like circles and polygons.
Children
CircleSector
A slice of a
Circle
, i.e. any
ClosedTwoDimensionalFigure
which consists of two Radii and the arc of the
Circle
that they bound.
Oval
The class of
ClosedTwoDimensionalFigure
s that are produced by the intersection of a
Cone
with a
ClosedTwoDimensionalFigure
.
Polygon
A
ClosedTwoDimensionalFigure
that is composed exclusively of straight lines, i.e.
OneDimensionalFigure
s.
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