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A plane figure is 2-dimensional.
A ray can be in 2 dimensions, in 3 dimensions, or in fact in any number of dimensions.
plane
Two three dimensional figures that have circular bases: Cone, and Cylinder.
It is a surface with zero curvature. It is 2-dimensional and in those two dimensions it extends infinitely far.It is a surface with zero curvature. It is 2-dimensional and in those two dimensions it extends infinitely far.It is a surface with zero curvature. It is 2-dimensional and in those two dimensions it extends infinitely far.It is a surface with zero curvature. It is 2-dimensional and in those two dimensions it extends infinitely far.