Definitionn. the roundness of a 2-dimensional figure
Last update: June 27, 2015
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This elementary conception is of the figure as already existing, rather than of its method of description; the test of circularity being the possibility of rotation within a surrounding figure so as to keep the two boundaries always completely in contact. [Please select]
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Moreover that the circularity of this shadow is maintained from first to last so far as we are able to follow it. [Please select]
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