IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is one of the models of plane ...
In geometry, an octagon (from the Greek ὀκτάγωνον oktágōnon, "eight angles") is a regular polygon that has eight sides. A regular octagon is represented by the Schläfli symbol {8}. - Source: Wikipedia ...
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